flinkk8soperator: Flink Application failing with hash collision message

The flink application is failing with this message what could be the reason? how to debug?

{"json":{"app_name":"streaming-job","ns":"flink-operator","phase":"ClusterStarting"},"level":"info","msg":"Handle state skipped for application, lastSeenError UnknownMethod call failed with status FAILED and message []: found hash collision for deployment, you must do a clean deploy","ts":"2019-08-07T04:21:52Z"}
{"json":{"app_name":"streaming-job","ns":"flink-operator","phase":"ClusterStarting"},"level":"info","msg":"Handle state skipped for application, lastSeenError UnknownMethod call failed with status FAILED and message []: found hash collision for deployment, you must do a clean deploy","ts":"2019-08-07T04:21:52Z"}