Error messages during ACP import

Hello.
I used ACP to export the configuration and try to import it to another Agile instance. Both instances are 9.3.1.2 and the second one is just new installed.

The export finishes without errors, but the import produces several errors:
In the log file I can see blocks with that content:


          ======== E R R O R (Begin)  ========

Process Context:
    Propagation Action:               Copy
    Configuration Type:               Event Management Events
    Configuration Object:             On Update MyPart
    Configuration Object Action:      Create Object
    Object Name:                      On Update MyPart

Error Context:
    Unable to create the "On Update MyPart" Event Management Events object.

Error Cause:
    Unknown event type: Invalid value for "Object Type". Node 2471561 does not exist in the cache. It may have been deleted already..