After upgrading to a new version of the z/OS agent, all Event-Scans of z/OS-Console fail. these two errors can be found in the log:
Solution: Re-initialization of UCEVENT VSAM
The file must contain at least one dummy record. Therefore, repeat the initialization steps. The name UC4Q.UCEVENT.VSAM.V11 is here an example. Take the name from your system's UCEVENT VSAM.