Getting error whike importing

[am1]gpsaribast:/temp_backup> impdp dumpfile=temp_dir:dump_22102013.dmp table_exists_action=replace exclude=db_link schemas=gps
Import: Release 10.2.0.4.0 - 64bit Production on Tuesday, 22 October, 2013 9:22:04

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Username: system
Password:

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-39002: invalid operation
ORA-39070: Unable to open the log file.
ORA-29283: invalid file operation
ORA-06512: at "SYS.UTL_FILE", line 537
ORA-29283: invalid file operation



Pls assist


Best regards,
Vishal