I keep getting huge amounts of errors like " Type of error: Undefined - 8: Undefined index:". All of this errors are related to "forum/Sources/Subs.php (Line 3091)" and this line of the file is "return $smileyPregReplacements[$matches[1]];".
What is this about and how can I fix this?
https://www.simplemachines.org/community/index.php?topic=567106
I'm blind. Thank you for the quick answer.