Oops, an Error Has Occurred. Please Try Again.
"Oops, an Error Has Occurred. Please Try Again." error is given when something goes wrong. This error is temporary.
How to resolve this error?
This error will be solved by itself when you try again after some time. When it does not get solved for a long time, try to add a new listing manually and get in touch with platform officials if you still get the same error.