Could not send message using @title to user ID 1

Closes #2936095

changed title from Create MR based on patch message_notify-could_not_send_message-2936095-10.patch to Could not send message using @title to user ID 1

added 3 commits

• 8d072e1c...030ea684 - 2 commits from branch project:8.x-1.x
• 2e919eda - Merge branch message_notify:8.x-1.x into 2936095-could-not-send

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added 1 commit

• 81beb990 - Fix tests and return values.

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