Hi Wonsa,
Yes, we setup R12.52 SP1 with schema and Data Definition and then we import the policy export from R12 SP3 server and getting the error.
We had cleared the unused administrators from the DynamicPrefs parameter in the smdif file. We tried deleting the entire value as well but it didn't work. This solution worked for another environment of ours though.
We didn't try exporting the policy data from R12.52 SP1 after smobjimport as smobjexport is no longer available in 12.52.
We have migrated two of our environments successfully using smobjimport, so we are keen on doing the same for this environment as well.
Also, XPSExplorer fails to load after the import on 12.52 SP1. We get the below error:
[16838/1][Mon Aug 01 2016 09:53:40][HSTMT.cpp:148][ShowError][ERROR][sm-xpsxps-00870] An error occurred when calling "SQLExecDirect" for "Create Object" query
[16838/1][Mon Aug 01 2016 09:53:40][HSTMT.cpp:241][Error][ERROR][sm-xpsxps-00810] Native Diagnostic: HY000:1012 [DataDirect][ODBC Oracle Wire Protocol driver][Oracle]ORA-01012: not logged on
Regards,
Harshit Verma