bfdbdump command run fail

Hi,
I want to backup db2 which is used by buildforge, but with using the bfdbdump command, it runs fail.

ce20:/opt/buildforge/Platform # ./bfdbdump -e a
Running command 'db2 -t -f a/quiesce.ddl'
Command completed with exit code -1
Failed while attempting to quiesce database. Error:



######################################################################

Running command 'db2 -t -f a/sys.ddl'
Command completed with exit code -1
Error occured while querying for BF_* (or B7_*) tables. Error:


Usage: bfdbdump.pl
-h - prints this message and exits
-i - import the database from the file filename (for DB2 filename should point to a directory)
-e - export the database to the file filename (for DB2 filename should point to a directory)
-b - restrict the list of tables to be imported to only historical staging tables
-c - configuration file to use for database information (default is migrate.conf)

-d - database name to import the file into (required on mssql server)


failed to run command
Error: No such file or directory