Getting Security Error on iPhone when using localStorage

Question

When I try saving anything with localStorage.setItem(""); in IOS Safari, I get this error -

SecurityError (DOM Exception 18): The operation is insecure.

Here is a screenshot of the error...

Any ideas how to fix this? Thanks.

Answer 1

Found the answer. Block Cookies was turned on in the users Safari Settings.

Answer 2

I had this problem on the desktop version of Safari. I enabled "Disable Local File Restrictions" This is how you can find it:

Your cookie settings are also not allowed to be on "Always block". Otherwise you also get this error!