SQL*Loader-522: lfiopn failed for file

All,
There are no rows getting loaded through sqlloader.Please advise.
Below is the command.It used to run finr earlier but not working fine now.
runSqlLoader /home/work/abc.dat /home/work/test.ctl 0 0 "BINDSIZE=20000000 READSIZE=20000000 rows=200000"
/app/oracle/product/client/9.2.0/bin/sqlldr userid=123/xxxxx@db   data=/home/work/abc.dat control=/home/work/test.ctl bad=/tmp/test.ctl.bad
log=/tmp/test.ctl.log errors=0 BINDSIZE=20000000 READSIZE=20000000 rows=200000
SQL*Loader-522: lfiopn failed for file (/tmp/test.ctl.log)

SQL*Loader: Release 9.2.0.1.0 - Production on Wed Jan 6 17:23:06 2010

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