format not changed in runtime....help me

Hi experts,

i am doing proxy to file..

i have done some transformations using UDFs in mapping....when i tested the maping in IR its working fine ...

but when i executed the proxy to test end to end....in sxmb_moni ,response pay load showing with redflag and the fields that r transforming in mapping are not actually getting transformed....what could be the reason...

help me out..