Bad request error code received when trying to respond to seller's message

[cjm006]

bad request error code: 0.57b03b17.164425845 received when trying to respond to message from seller.

[eburtonlab]

[duplicate thread]

See the response here:

https://community.ebay.com/t5/Ask-a-Mentor/bad-request-error-code-0-57b03b17-164425845-received-when...