Reff . Ticket #1262408
If you receive ticket with the below screen shot. Please follow the below steps to resolve it.

GO to FB03
Doc number : 6111010125


User has provided tax code HC and 0 % tax
We have to maintain in transaction code through FFID : OBCD

But we have still error in IDOC
Go to table SE16N :KNA1
Give the customer number and check the country and trading partner



Or go to vf03 observe the trading partner

Go to SE16N table T001

Go to transaction code OBCD

Go to BD87 and reprocess the idoc.