fix conflict in VNF performance Mgmt API of SOL003

        Shall be returned upon the following error: The content type of the message content is supported and

        the message content of a request contains syntactically correct data but the data cannot be processed.

<<<<<<< Updated upstream

        The general cause for this error and its handling is specified in clause 6.4 of ETSI GS NFV-SOL 013 [8], 

        including rules for the presence of the response body.

        Specifically in case of this resource, the response code 422 shall also be returned if the VNFM has

        tested the Notification endpoint as described in clause 6.4.9.3.2 and the test has failed.

        In this case, the "detail" attribute in the "ProblemDetails" structure shall convey more information 

        about the error

=======

        The general cause for this error and its handling is specified in clause 6.4 of ETSI

        GS NFV-SOL 013, including rules for the presence of the response body.

        Specifically in case of this resource, the response code 422 shall also be returned if the VNFM has tested the 

        Notification endpoint as described in clause 6.4.9.3.2 and the test has failed.

        In this case, the "detail" attribute in the "ProblemDetails" structure shall convey more

        information about the error

>>>>>>> Stashed changes

      headers:

        Content-Type:

          description: |