This is a comment on Problems when updating from 6.2.1 to 6.3.0, posted by WikiAdmin at 07/22/2026 20:13

View source for Re: Problems when updating from 6.2.1 to 6.3.0

It's not a permissions issue in the config.php file; it has 777 permissions for this case. 

Now I see the mistake:
%%
[22-Jul-2026 19:33:32 UTC] PHP Fatal error:  Uncaught Error: Undefined constant "MYSQLI_REPORT_OFF" in /wiki/class/dbmysqli.php:19
Stack trace:
#0 /wiki/class/dbal.php(29): DbMysqli->__construct(Object(Settings))
#1 /wiki/class/settings.php(58): Dbal->__construct()
#2 /wiki/index.php(10): Settings->__construct()
#3 {main}
  thrown in /wiki/class/dbmysqli.php on line 19
%%