Illegal String Offset

Some times - only in the modul web > pages - you will get the error prompt

  • PHP Warning: Illegal string offset 'templateTutorial' in /.../typo3/sysext/extbase/Classes/Service/FlexFormService.php

Please disable the plugin information of Powermail

  • Admin Tools > Extensions

  • Powermail

  • [Basic] > Disable Plugin Information [X]