Hallo,
ist Jemandem vielleicht auch schon diese Fehklermeldung im error.log aufgefallen?, gibt es Lösungen, Erfahrungen, Vorschläge hierzu?

http://www.adipositas-selbsthilfegruppe-bonn
Ver. 1.8.3
PHP 5.6

[Sat Jul 23 6:51:03 2016] [ow_core_log] [Notice] Message: Trying to get property of non-object File: /hp/cp/aa/cd/www/shgbonn/ow_plugins/forum/classes/event_handler.php Line:650

[Sat Jul 23 6:51:03 2016] [ow_core_log] [Notice] Message: Trying to get property of non-object File: /hp/cp/aa/cd/www/shgbonn/ow_plugins/forum/classes/event_handler.php Line:654

[Sat Jul 23 6:51:03 2016] [ow_core_log] [Notice] Message: Trying to get property of non-object File: /hp/cp/aa/cd/www/shgbonn/ow_plugins/forum/classes/event_handler.php Line:654