Strategy to resolve taxes not being sent correctly on Ariba

[jbrotto]

What would be the best way to fix this type of error?

NV-54: Comments from Wal-Mart Stores, Inc.: Error in IDOC data
INV-54: Comments from Wal-Mart Stores, Inc.: Assigning a new tax key for QST and VAT not possible
INV-54: Comments from Wal-Mart Stores, Inc.: Assigning a new tax key for GST and VAT not possible

[rlaspada]

Hello,

The error message present in the Invoice History on the Business Network might help identify the exact issue. Sounds like it could be a configuration/ integration discrepancy or an issue with the rounding rules for taxes. 

[jbrotto]

If it is just IDOC what would be the cause then?