There is no error when i run Sphinxtrain.but when i run the command

perl scripts_pl/decode/slave.pl     

                (In ncst(our own database) packege like an4) then i m getting error

Error..

Configuration (e.g. etc/sphinx_train.cfg) not defined
Compilation failed in require at scripts_pl/decode/slave.pl line 45.
BEGIN failed--compilation aborted at scripts_pl/decode/slave.pl line 45.

Please help me out