[oracle@localhost dumpdir]$ impdp system/oracle@ORA12CPDB1 dumpfile=expdat.dmp directory=datapump_dir transport_datafiles='/u01/app/oracle/oradata/ora12c/ora12cpdb1/tps_merry01.dbf' flashback_scn=2138002 logfile=import.log
Import: Release 12.2.0.1.0 - Production on Thu Feb 20 13:49:09 2020
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Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
ORA-39005: inconsistent arguments
ORA-39208: Parameter FLASHBACK_SCN is invalid for IMPORT jobs.