FIX #14152 TIME 1 fix php error notification

(cherry picked from commit 96ca17b7)

apps/maarch_entreprise/tools/mails/RFC822.php

@@ -564,6 +564,7 @@ class Mail_RFC822
         // A couple of defaults.
         $phrase  = '';
         $comment = '';
+        $comments = [];
 
         // Catch any RFC822 comments and store them separately
         $_mailbox = $mailbox;