Reply To: Making message read-only Home › Forums › Front End PM PRO › Making message read-only › Reply To: Making message read-only February 15, 2018 at 2:10 am #11056 Shamim HasanKeymaster You have missed ‘send_reply’ part. Please add if( 'send_reply' !== $cap ) return $can; after line 76 also write 10 and 3 as integer (without single quote). You can see functions.php of this plugin for this hook, this hook is passing 3 arguments.