Blazor WebAssembly Application fails to load due to integrity errors

Question

We have developed a Blazor WebAssembly Application that has already gone into productive usage for a certain group of customers.

The Application works well in all Browsers with Standard Security settings. However, this morning I got a call from one of the customers, where the Application did not load at all in their Chrome Browser.

I saw the following Errors in the console:

• Unknown error occurred while trying to verify integrity.
• Failed to load resource: the server responded with a status of 403 (forbidden)
• Failed to find a valid digest in the 'integrity' attribute for ressource '<somepath.dll>' with SHA-256 integrity <sha56>. the resource has been blocked

Now my question is, what could cause this? Is this a Browser Security setting, or another security setting e.g on server, in code etc.? How can I fix this?

Here's a picture of the errors mentioned above

Answer 1

Solution for me was to delete the obj and the bin folder in both the client and the server project folder