How To Fix 5D438 - Flat-rate taxation (0699) and additional tax exemption (0699) not allowed

5D438 - Overview

• Message type: E = Error

• Message class: 5D - Error Messages for German Infotype Module Pools

• Message number: 438

• Message text: Flat-rate taxation (0699) and additional tax exemption (0699) not allowed

What causes this issue?

The contract model uses a module with flat rate taxation under sec. 40b
EStG or additional tax exemption under sec. 3 no. 63 cl. 3 EStG.
A different taxation type is used in another infotype record 0699 in the
validity period.
You cannot use both taxation options, however.

System Response

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

How to fix this error?

Check the infotype records and change the taxation type as necessary.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

5D438 - Details

• The SAP error message 5D438 indicates that there is an issue with flat-rate taxation and additional tax exemption settings in the system. This error typically arises in the context of tax calculations, particularly when dealing with specific tax codes or configurations that do not allow for both flat-rate taxation and additional tax exemptions to be applied simultaneously.
  
  Cause:
  
  
  Configuration Issues: The tax configuration in the SAP system may not allow for the combination of flat-rate taxation and additional tax exemptions. This can happen if the tax codes are not set up correctly in the system.
  Incompatible Tax Codes: The tax code being used may not support both flat-rate taxation and additional exemptions. This is often the case when the tax code is designed for a specific type of transaction that does not permit exemptions.
  Transaction Type: The type of transaction being processed may not be compatible with the selected tax treatment. For example, certain