> Hmm, that error message is non-descriptive to any of us. Have you tried enabling debug-logging? _Originally posted by @tvdijen in [#271](https://github.com/simplesamlphp/simplesamlphp-module-oidc/issues/271#issuecomment-2627951598)_ Logging messages are in many cases just a steaming pile of WHAT THE HELL WENT WRONG?!. Needs improving.