Steps to reproduce the problem:
1.Go to Messages
2.Go to Trash
3.Try to delete a message
4.The message is not deleted but is sent back to the phone number
which had sent this message
Expected result:
It should erase the message
Actual result:
Message not erased but worse : message sent back to the phone number
which had sent this same message.
Reported by Thierry GRAUSS, Feb 26, 2018