Probelm with POST Method of BOR FIPP

Hi,

I am facing problem is posting the document . it is giving an error :

349

Field COBL-FKBER. does not exist in the screen SAPLKACB 0002.( it is since the functional area is not maintained)

But I am able to post the same document using the tcode FBV0 manually.

Why this is happening ....Please help me in getting this problem solved.

DO I need to call any methods before the POST.

regards

Pavee...