ORA-02291: integrity constraint (APEX_210200.WWV_FLOWS_FK) violated - parent key not found

Hello,

Apex 21.2

Oracle 19c

during import of applications which I've exported from another db I get:

ORA-02291: integrity constraint (APEX_210200.WWV_FLOWS_FK) violated - parent key not found

export done with oracle.apex.APEXExport

I've exported Workspace and applications

import of workspace without any error.

I've set an errorstack event for ORA-2291 it shows that the error was happening during

INSERT INTO WWV_FLOWS

any ideas ?

thanks and regards

Chris