I updated from php 7.4 to 8.0 fpm but the forum isn't working anymore it gives error 500. All the other scripts I have work just fine.

 

I updated from php 7.4 to 8.0 fpm but the forum isn't working anymore it gives error 500. All the other scripts I have work just fine.

Do you use apps or plugins?

some are not compatible yet.

deactivate them all and see, it worked for me. Then reactivate them one by one and test to find the one breaking it.

Thanks that worked! It was an app that caused this.

 

Thanks that worked! It was an app that caused this.

Please don't forget to notify the app author about the issue:) 

 

Please don't forget to notify the app author about the issue:) 

OK, I will.