ORA-39001: invalid argument value ORA-39000 ORA-31641

#Error message while taking export backup. C:\Windows\System32>expdp directory=DIR_TEST schemas=test dumpfile=SCHEMA.dmp logfile=SCHEMA.log Export: Release 19.0.0.0.0 - Production on Sat Apr 13 01:26:42 2024 Version 19.16.0.0.0 Copyright (c) 1982, 2022, Oracle and/or its affiliates.  All rights reserved. Username: / as sysdba Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production ORA-39001: invalid argument value ORA-39000: bad dump file specification ORA-31641: unable to create dump file "C:\Backup\SCHEMA.dmp" ORA-27038: created file already exists OSD-04010: <create> option specified, file already exists Cause: You are trying to specify the dump file name in command that file with same name is already present in the specified directory location. Solution: Try to use different dump file name or delete existing file if not required or use REUSE_DUMPFILES=YES keyword in expdp command to overwrite the pre-existing dump file. C:\Windows\System32>expdp directory=DIR_TEST schemas=test dumpfile=SCHEMA.dmp logfile=SCHEMA.log reuse_dumpfiles=y Export: Release 19.0.0.0.0 - Production on Sat Apr 13 01:28:10 2024 Version 19.16.0.0.0 Copyright (c) 1982, 2022, Oracle and/or its affiliates.  All rights reserved. Username: / as sysdba Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Starting "SYS"."SYS_EXPORT_SCHEMA_01":  /******** AS SYSDBA directory=DIR_TEST schemas=test dumpfile=SCHEMA.dmp logfile=SCHEMA.log reuse_dumpfiles=y Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS Processing object type SCHEMA_EXPORT/STATISTICS/MARKER Processing object type SCHEMA_EXPORT/USER Processing object type SCHEMA_EXPORT/SYSTEM_GRANT Processing object type SCHEMA_EXPORT/ROLE_GRANT Processing object type SCHEMA_EXPORT/DEFAULT_ROLE Processing object type SCHEMA_EXPORT/TABLESPACE_QUOTA Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA Processing object type SCHEMA_EXPORT/TABLE/TABLE Processing object type SCHEMA_EXPORT/VIEW/VIEW Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT . . exported "TEST"."DEPT"                               6.531 KB       5 rows . . exported "TEST"."EMP"                                6.531 KB       5 rows . . exported "TEST"."CUSTOMERS"                              0 KB       0 rows . . exported "TEST"."PROMOTIONS"                             0 KB       0 rows Master table "SYS"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded ****************************************************************************** Dump file set for SYS.SYS_EXPORT_SCHEMA_01 is:   C:\BACKUP\SCHEMA.DMP Job "SYS"."SYS_EXPORT_SCHEMA_01" successfully completed at Sat Apr 13 01:28:37 2024 elapsed 0 00:00:23