B16664 multi db user error

extension/Classes/Core/Typo3/T3Handler.php

@@ -341,8 +341,6 @@ class T3Handler {
                 continue;
             }
         }
-        // Restore T3 ErrorHandler. T3 throws exceptions - those should be handled by T3!
-        restore_error_handler();
 
         self::t3AutoloadIfNotRunning();