When a Version Concurrency Control Strategy Is Used There Must Be a Version Field For The Persistent Type
This error occurs when the domain model contains a persistent class that uses the Version concurrency control but a concurrency member (version field) is not specified.
To resolve this error, specify a concurrency member (version field):
- Select the persistent class in the Visual Designer.
- Press F4 to open the Properties pane.
Specify a concurrency member.