Whenever trying to move a topic, the system returns an error... However, even though the error is displayed, the topic is being moved.

My Invision Version: v4.7.13

TypeError: mb_strpos(): Argument #1 ($haystack) must be of type string, array given (0)
#0 /home/myuser/public_html/system/Content/Content.php(2849): mb_strpos()
#1 /home/myuser/public_html/system/Content/Item.php(2153): IPS\_Content->adjustSessions()
#2 /home/myuser/public_html/applications/forums/sources/Topic/Topic.php(1038): IPS\Content\_Item->move()
#3 /home/myuser/public_html/system/Content/Controller.php(1167): IPS\forums\_Topic->move()
#4 /home/myuser/public_html/system/Dispatcher/Controller.php(107): IPS\Content\_Controller->move()
#5 /home/myuser/public_html/system/Content/Controller.php(50): IPS\Dispatcher\_Controller->execute()
#6 /home/myuser/public_html/applications/forums/modules/front/forums/topic.php(39): IPS\Content\_Controller->execute()
#7 /home/myuser/public_html/system/Dispatcher/Dispatcher.php(153): IPS\forums\modules\front\forums\_topic->execute()
#8 /home/myuser/public_html/index.php(13): IPS\_Dispatcher->run()
#9 {main}

 

Edited November 27, 20231 yr by Mr. Arthur

In the first instance, please update to the latest release and try this again, and ensure any 3rd party items are disabled while testing this