Re : Incorrect function module IDOC_INPUT_DEBITOR called up in IDOC

hi

i'm doing an outbound IDOC Processing, but in the receiver side i'm getting the error Incorrect function module IDOC_INPUT_DEBITOR with status 51. i have assigned the FM IDOC_INPUT_DEBITOR to the

Message Type and IDOC Type in Tcode : WE57. i checked with the IDOC which has correct Message Type and IDOC Type but do no what is the reason?

Regards