Oracle Error Message
IMP-00040: FILESIZE does not match the value used for export: string
Reason for the Error
The value specified for FILESIZE does not match the value specified during the creation of the export file.
Solution
If you believe the specified FILESIZE value is correct, verify that you specified the correct file for import. If you specified the correct file but are unsure about the correct value, re-execute the import command but specify FILESIZE=0.