[Bug Fix] Fixing Undefined Array Key Error in AbstractCollection in XenForo 2.3.0

Content:

Hello XenForo Community,

I encountered a bug related to the AbstractCollection class in XenForo 2.3.0, which results in an Undefined array key error. The error occurs when attempting to access an array index that does not exist. Here’s the detailed error message:

Code:

ErrorException: [E_WARNING] Undefined array key 3 in src/XF/Mvc/Entity/AbstractCollection.php at line 104
XF::handlePhpError() in src/XF/Mvc/Entity/AbstractCollection.php at line 104...

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