How To Fix CA_TTE621 - Adjust product tax key assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 621

• Message text: Adjust product tax key assignment

What causes this issue?

Two or more external product key assignments have been assigned to one
internal product key assignment.

System Response

How to fix this error?

In Customizing for TTE
Choose <DS:SIMG.SIMGMAP_PARTNER>Assign Objects From External Systems</>
Select the relevant external system: System ID1 &V3&, and <ZK>Product
Key Assignment</>.
Adjust the assignments so that each external tax group has a unique
assignment to an internal tax group.
Choose <ZK>Save</>.
For an immediate Customizing update, execute
<DS:SIMG.SIMG_REFRESH>Immediate Customizing Refresh</>.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CA_TTE621 - Adjust product tax key assignment ?

  The SAP error message CA_TTE621, which states "Adjust product tax key assignment," typically occurs in the context of tax determination in SAP systems, particularly when dealing with product tax keys and their assignments. This error can arise during various processes, such as sales order processing, invoicing, or during the execution of tax-related transactions.
  Cause:
  The error is usually caused by one of the following issues:
  
  Missing Tax Key Assignment: The product tax key is not assigned to the relevant material or service in the system.
  Incorrect Configuration: The tax configuration in the system may not be set up correctly, leading to mismatches between the product and the tax key.
  Changes in Tax Regulations: Updates or changes in tax regulations may require adjustments in the tax key assignments.
  Master Data Issues: The material master or customer master data may not have the correct tax classification or key assigned.
  
  Solution:
  To resolve the CA_TTE621 error, you can take the following steps:
  
  
  Check Tax Key Assignment:
  
  Go to the material master (transaction code MM03) and check if the product tax key is assigned correctly under the relevant views (e.g., Sales Organization Data, Accounting).
  Ensure that the tax classification is set correctly for the material.
  
  
  
  Review Tax Configuration:
  
  Use transaction code SPRO to access the configuration settings.
  Navigate to the relevant sections for tax configuration and ensure that the tax keys are correctly defined and assigned to the appropriate tax codes.
  
  
  
  Update Master Data:
  
  If the error is related to customer or vendor master data, check the relevant records (transaction codes XD03 for customers, XK03 for vendors) to ensure that the tax classification is correct.
  
  
  
  Consult Tax Authorities:
  
  If there have been recent changes in tax regulations, consult with your tax department or local tax authorities to ensure compliance and update the system accordingly.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Material Master), XD03 (Customer Master), and XK03 (Vendor Master) for checking and updating master data.
  SAP Notes: Check SAP Notes for any specific patches or updates related to tax key assignments and the CA_TTE621 error.
  Documentation: Review SAP documentation on tax determination and configuration to ensure that your settings align with best practices.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant specializing in tax configuration.