Error while posting document through report rfbibl00

Hello Experts,

I am using report rfbibl00 to create BDC session for FB01.

I have filled tables for structure BBSEG and BBKPF and submitted to program RFBIBL00.to post 3 documents.

First 2 documents have 3 line items with posting key 01, 50 & 40 and they are posted successfully. 3rd document have 4 line items with posting key 01 , 50, 40 & 40.

In last document at 4th line item I an getting error of ' Field DKACB-XERGO does not exist in screen SAPLKACB 0002.

If i continue to process the session then Amount field for 4th item is getting empty and getting the below error

No batch input data for screen SAPMF05A 0300.

Please help me with some advice