Message type: E = Error
Message class:  WB2_SE_INVC_AGENCY - Message Class for Invoices (Settlement Management) 
Message number: 220
Message text: Invoice has other customer than TC (Invoice: &1; TC &2: &3)
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The SAP error message WB2_SE_INVC_AGENCY220 indicates that there is a mismatch between the customer associated with the invoice and the customer associated with the tax code (TC) in the system. This typically occurs in the context of tax determination and invoicing processes, particularly when dealing with tax agencies or specific tax regulations.
Cause: The error arises when: The invoice is created for a customer that does not match the customer defined for the tax code being used. The tax code is configured to be used with a specific customer or customer group, and the invoice is referencing a different customer.
Solution: To resolve this error, you can take the following steps: Check the Invoice Customer: Verify the customer details on the invoice. Ensure that the customer is correctly entered and matches the expected customer for the tax code. Review Tax Code Configuration: Go to the tax code configuration in SAP (Transaction Code: OBYZ or similar) and check the settings for
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