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useEffect Error: Minified React error #321 (GTM implementation instead of google analitycs)

Tags:

reactjs

next.js

gtag.js

Why I got Minified React Error #321 during the next build compilation? Did I mess up with useEffect() ?

Part of the error throwed :

Automatically optimizing pages .(node:763) ExperimentalWarning: The fs.promises API is experimental
(node:762) ExperimentalWarning: The fs.promises API is experimental
(node:761) ExperimentalWarning: The fs.promises API is experimental
Automatically optimizing pages .Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:10945:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:10950:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:7133:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:1023:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:1026:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:1031:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:1031:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:1041:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/index.js:899:16)

Error occurred prerendering page "/". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
Automatically optimizing pages ..Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:21744:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:21749:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:14938:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:899:16)
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:21744:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:21749:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:14938:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:899:16)

Error occurred prerendering page "/XXX/XXX/syndic-copropriete". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.

Error occurred prerendering page "/XXX/XXX/aides-renovation-energetique". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
Automatically optimizing pages ..Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:21744:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:21749:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:14938:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/[formationUrl]/[courseCode].js:899:16)

Error occurred prerendering page "/XXX". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:21165:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:21170:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:14443:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:899:16)

Error occurred prerendering page "/XXX/inscription". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
Automatically optimizing pages .Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:21165:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:21170:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:14443:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:899:16)
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:21165:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:21170:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:14443:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/inscription.js:899:16)

Error occurred prerendering page "/XXX/inscription". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:20913:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:20918:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:14649:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:899:16)

Error occurred prerendering page "/XXX/merci". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.

Error occurred prerendering page "/XXX/inscription". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:6809:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:6814:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:4227:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:907:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:910:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:915:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:915:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:925:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:461:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/_error.js:783:16)

Error occurred prerendering page "/404". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
Automatically optimizing pages ..Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:20913:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:20918:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:14649:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:899:16)

Error occurred prerendering page "/XXX/merci". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
Automatically optimizing pages ...Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Z (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:20913:404)
    at module.exports.viRO.exports.useEffect (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:20918:356)
    at App (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:14649:29)
    at d (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1114:498)
    at $a (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1117:16)
    at a.b.render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1122:476)
    at a.b.read (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1122:18)
    at renderToString (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:1132:364)
    at render (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:577:16)
    at Object.renderPage (/XXX/XXX/XXX/XXX/.next/serverless/pages/[domainCode]/merci.js:899:16)

Error occurred prerendering page "/XXX/merci". Read more: https://err.sh/next.js/prerender-error
Error: Minified React error #321; visit https://reactjs.org/docs/error-decoder.html?invariant=321 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.

> Build error occurred
Error: Export encountered errors
    at _default (/usr/local/lib/node_modules/next/dist/export/index.js:19:1164)
    at process._tickCallback (internal/process/next_tick.js:68:7)
Automatically optimizing pages .%

What I tried:

Implemented the gtag on my next Js app. I followed the Zeit example from

https://github.com/zeit/next.js/tree/canary/examples/with-google-analytics

I precise something important this example show us how to add google analytics and not GTM that's two very differentes thing, but you just need to change:

// pages/_document.tsx

import Document, { Head, Main, NextScript } from 'next/document';
import { Fragment } from 'react';

export default class MyDocument extends Document {
    setGoogleTags() {
        return {
            __html: `
            (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-XXXXX');
          `
        };
    }

    render() {
        return (
            <html>
                <Head>
                    <Fragment>
                        <script dangerouslySetInnerHTML={this.setGoogleTags()} />
                    </Fragment>
                </Head>
                <body>
                    {/* <Fragment> */}
                        {/* <!-- Google Tag Manager (noscript) --> */}
                        <noscript>
                            <iframe
                                src="https://www.googletagmanager.com/ns.html?id=GTM-XXXXXX"
                                height="0"
                                width="0"
                                style={{ display: 'none', visibility: 'hidden' }}
                            ></iframe>
                        </noscript>
                    <Main />
                    <NextScript />
                </body>
            </html>
        );
    }
}

I've just changed one thing is _app.js to _app.tsx : 

//_app.tsx

import Router from 'next/router';

import React, { useEffect, ReactElement } from 'react';

import { AppProps } from 'next/app';
import '../CSS/index.css';
import * as gtag from '../lib/gtag';
import '@brainhubeu/react-carousel/lib/style.css';

export default function  App({ Component, pageProps }: AppProps): ReactElement {
    useEffect(() => {
        const handleRouteChange = (url: string) => {
            gtag.pageview(url);
        };
        Router.events.on('routeChangeComplete', handleRouteChange);
        return () => {
            Router.events.off('routeChangeComplete', handleRouteChange);
        };
    }, []);

    return <Component {...pageProps} />;
}

https://github.com/zeit/next.js/issues/160#issuecomment-634502987

like image 885
La pach' Avatar asked May 26 '20 15:05

La pach'

People also ask

What is Minified error in React?

In the minified production build of React, they avoid sending down full error messages. Instead, we can use the error code to view the full message for full errors and additional helpful warnings. This small tool is meant to mitigate this gap.

What is React error?

Error boundaries are React components that catch JavaScript errors anywhere in their child component tree, log those errors, and display a fallback UI instead of the component tree that crashed. Error boundaries catch errors during rendering, in lifecycle methods, and in constructors of the whole tree below them.

1 Answers

It might because you are importing React twice on the page:

import { useEffect } from 'react';
import Router from 'next/router';

import React, { ReactElement } from 'react';

should just be:

import React, { useEffect, ReactElement } from 'react';
import Router from 'next/router';

Edit

Try to delete your node_modules and .next folder from your local project and then run your npm run build again. That seemed to solve it for me.

like image 160
james Avatar answered Oct 17 '22 06:10

james
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