User Activity Error Codes

If a REST operation fails, additional information about the error is available from both the response Error-Code header and the response body.

CodeDescription
 1020Specifies that an unsupported value was provided for the action parameter.
 1021Specifies that a parameter value was not supplied.
 1022Specifies that supplied parameter value was an incorrect type.
 1023Specifies that the execution of the user activity timed out before it completed.
 1024Specifies that user activity terminated during execution.