This can be a php timeout. In such cases, the webserver will return a 500 Internal Server Error. We can fix this error by increasing timeout values or setting other appropriate timeout options so that the remote server will not return a timeout error but wait for the request to be processed.
How to solve the error message’the remote server returned an error (500)?
To solve the error message ” the remote server returned an error (500) internal server error “. 1. Login on your Partner Admin Center 2. Go to your clients account under “Client Management Tab”