How set data BDC for KGI2 executed with MODE N - no screen?

181 Views Last edit Aug 18, 2018 at 10:41 AM 3 rev

I try use

CALL TRANSACTION 'KGI2' USING bdcdata_tab MODE 'N' UPDATE 'S'

but I have still message

No batch input data for dynpro SAPLKAZB 1000

Pls. any example? In MODE 'A' is OK...