Hi Andreas,
Thank you very much for the replay. your inputs are really useful for me.
I made changes as advised by you. and trying to save now its getting log with 2 error messages:
1) No structure field defined as source/target field for node Payment Amt.
Message no. DMEE_ABA303
2) Error aggregating node Total Invoice Amt: node Payment Amt has incorrect data
type. Message no. DMEE_ABA327
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Thanks
srini