On trying to create vFW via VID in OOM Kubernetes enveironment, SO failed with 'Internal Error Occurred in CreateVnfInfra QueryCatalogDB Process'. Almost 8 out of 10 times this issue happens in SO. Remaining 2 times it works correctly.

In logs we have

Cannot serialize object in variable 'CREVI_vnfs': SPIN/JACKSON-JSON-01009 Unable to map object 
'[{"toscaNodeType":"org.openecomp.resource.vf.Server","vfModules":[\\\\

{"initialCount":0,"vfModuleLabel":"Server","modelInfo": \{"modelInvariantUuid":"4dbebfd4-7ec4-4bc1-90f1-3c86ffe1bec0","modelName":"Server..Server..module-0","modelVersion":"1","modelCustomizationUuid":"0188541d-98cb-4a04-8794-56c4819d76cd","modelUuid":"db3c7e23-1b59-430b-8440-97f46626e7b8"}

,"hasVolumeGroup":true,"isBase":false}],"modelInfo":{"modelInvariantUuid":"e94adbac-45c1-4ca4-bdc0-80a549c3cb9e","modelName":"Server","modelVersion":"1.0","modelCustomizationUuid":"6c467856-3d15-4f6b-8e61-85ef85e52644","modelInstanceName":"Server 0","modelUuid":"bce023c2-7f1c-4d45-893c-03fb609d9f6a"},"nfRole":"","nfType":"","nfFunction":"","nfNamingCode":""}]' to json node