How To Fix CA_TTE637 - Maintain tax code &1 in access sequence &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 637

• Message text: Maintain tax code &1 in access sequence &2

What causes this issue?

In the header data, the user has indicated that tax calculation is
required from a tax code. In Tax Code Values, a tax code &V2& that has
not been maintained as a key field for the access sequence &V3& has
been entered.
However, as the input document is complete, the system uses the next
suitable access sequence to determine the tax rate.

System Response

The tax code is not used for tax determination.

How to fix this error?

In Customizing for TTE
Choose <DS:SIMG.SIMGEXEMTAXRATEMAINT>Maintain Tax Rates and Exemptions
</>.
Maintain the tax code &V2& in the tax code access sequence &V3& .
Choose <ZK>Save</>.
To update Customizing settings, choose <DS:SIMG.SIMG_REFRESH>Immediate
Customizing Refresh</>.

Procedure for System Administrators

In the output document, check the tax procedure log on item level.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CA_TTE637 - Maintain tax code &1 in access sequence &2 ?

  The SAP error message CA_TTE637, which states "Maintain tax code &1 in access sequence &2," typically occurs in the context of tax determination in SAP, particularly when the system is unable to find a valid tax code for a specific access sequence during a transaction.
  Cause:
  
  Missing Tax Code: The specified tax code (&1) is not maintained in the access sequence (&2) for the relevant tax determination procedure.
  Incorrect Configuration: The access sequence may not be properly configured to include the necessary tax codes.
  Data Inconsistency: There may be inconsistencies in the master data or configuration settings related to tax codes and access sequences.
  
  Solution:
  
  
  Maintain Tax Code:
  
  Go to the configuration settings for tax determination in SAP.
  Navigate to the relevant access sequence (transaction code: SPRO -> Financial Accounting -> Tax on Sales/Purchases -> Basic Settings -> Check Calculation Procedure).
  Ensure that the tax code specified in the error message is included in the access sequence.
  If it is missing, add the tax code to the access sequence.
  
  
  
  Check Configuration:
  
  Verify that the access sequence is correctly assigned to the relevant tax calculation procedure.
  Ensure that the tax codes are correctly defined in the system and are active.
  
  
  
  Review Master Data:
  
  Check the master data for the relevant business partners, materials, or customers to ensure that the correct tax codes are assigned.
  Make sure that the tax classification is set correctly for the relevant entities.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test transaction to ensure that the error no longer occurs and that the correct tax code is applied.
  
  
  
  Related Information:
  
  Access Sequences: Access sequences are used in SAP to determine the appropriate tax code based on various criteria such as country, customer, and material.
  Tax Codes: Tax codes are essential for calculating taxes on sales and purchases and must be properly maintained in the system.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SPRO: For configuration settings.
  OBYZ: For maintaining tax codes.
  OB40: For maintaining tax determination procedures.
  
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further troubleshooting.