Apache Mod_security error due to callback url

I am getting the following error when I click on the back button after the password reset.

Not Acceptable!

An appropriate representation of the requested resource could not be found on this server. This error was generated by Mod_Security.

Its cause by the iss parameter in the URL that is created by Auth0.

https://jcalc.net/test/user/auth0/test.php?iss=https%3A%2F%2Fdev-13cisaod.au.auth0.com%2F

If I remove the percentage signs its fine.

Is there a way in which I can remove the iss parameter being passed completely?

The iss param is added by Auth0 and this cannot be changed. The percentages appear due to URL encoding by browser.

One option might be to figure out the source of the error and fix it. Since mod_security seems to be throwing the error, you can check if a specific rule is causing this, or attempt to whitelist the URL.

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