the plugin was working just fine, untill suddenly one of our users reported he can not login using it anymore, I checked and recieved this error!:
what is causing this? how can I fix it?
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.