In "Create VF Module – a la carte" popup, we passed all the valid information (PFA screenshots "VF module creation error.docx") with the attached supplementary Data file. We are seeing below error. PFA "error.log" generated in  "/var/log/ecomp/MSO/ApiHandlerInfra" in MSO server docker.

10/11/17 15:18:39 HTTP Status: Bad Request (400)
{
"serviceException": {
"messageId": "SVC0002",
"text": "Mapping of request to JSON object failed. Can not deserialize instance of java.util.ArrayList out of START_OBJECT token\n at [Source: java.io.StringReader@698a8dec; line: 1, column: 469] (through reference chain: org.openecomp.mso.apihandlerinfra.serviceinstancebeans.ServiceInstancesRequest[\"requestDetails\"]>org.openecomp.mso.apihandlerinfra.serviceinstancebeans.RequestDetails[\"requestParameters\"]>org.openecomp.mso.apihandlerinfra.serviceinstancebeans.RequestParameters[\"userParams\"])"
}
}