LAYOUTS (PLD) - Add fields to "Repetitive Area"

Hello guys

Iam using SAP B1 2004 2B

Iam having a problem while using layouts

I have desinged all static fields first, and when i came to the repetitive area iam not able to find the "A/R Invoice-rows" option, what would be the problem and what is the solution.

thank Q in advance

answers will be rewarded

Message was edited by: Frank Moebius