SAP Error: "An entry already exist with the same Key" in OBCD Transaction code

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Support Note KB0406645

Issue

I am getting below error while maintaining entry in SAP for OBCD Transaction code

An entry already exist with the same Key

Resolution

Follow below steps to check this.

Go to Transaction code OBCD in SAP.
Check Partner No, Tax type and Tax Rate for the maintained entry.
Cross check if the same entry already exists.
Try to delete the blank entry and SAVE the data

Cause

This error generally comes when one blank entry is created in the table. Please check this. Else delete the table maintaenance generator and regenerate the same. Also adjust and activate the database.

Applies To

SAP Business Network for Procurement & Supply Chain > Transaction Documents > Transaction (Invoicing)