The admin panel throws the below error every time a product is ordered or I reply back from the order comments.
Things I did.
My server had a message to register mail IDs sent through scripts action taken registered the mail IDs.
Tried sending mail from the send mail page - result mail sent no error message received.
Tried ordering products. Customer received mails. Error message in admin panel.
Tried sending comments. Customer received mails. Error message in admin panel.
The error still persist though the mails are going through as normal.
Attaching the server side message and error message as screen shots.
Kindly advice.