How To Fix NAA138 - Tax condition type &2 is missing in settlement schema &1

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 138

• Message text: Tax condition type &2 is missing in settlement schema &1

What causes this issue?

Tax condition type &V2& is missing in settlement schema &V1&. It is
therefore not possible to calculate the tax correctly.

System Response

Settlement accounting cannot be performed for arrangement &V3&.

How to fix this error?

Please check your Customizing settings.
Tax is calculated by accessing the tax condition records of Accounting
(tax trigger, condition class 'G').
The following system settings are required for this:

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

Recreate Accounting condition type &V2& in Purchasing, giving it the
same name. Enter condition class 'D' (tax), select the percentage
calculation rule, and select the item condition field.

<DS:SIMG.SIMG_CFMENUOLMEKONDT>Set Up Condition Technique</>
ENDIF
Enter condition type &V2& in the settlement schema after the condition
condition type for triggering tax (condition class 'G'). Enter the
From-reference step, and select the 'Manual' indicator.

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 NAA138 - Tax condition type &2 is missing in settlement schema &1 ?

  The SAP error message NAA138 indicates that a specific tax condition type is missing in the settlement schema. This error typically arises in the context of settlement processing in SAP, particularly when dealing with tax calculations in financial transactions.
  Cause:
  The error occurs when the system attempts to process a settlement and cannot find the specified tax condition type (denoted as &2) in the defined settlement schema (denoted as &1). This can happen due to several reasons:
  
  Configuration Issues: The tax condition type may not have been properly configured in the settlement schema.
  Missing Tax Condition Type: The tax condition type may not exist in the system or may have been deleted or deactivated.
  Incorrect Schema Assignment: The settlement schema assigned to the transaction may not be the correct one that includes the required tax condition type.
  Customizations: If there are customizations in the settlement process, they may not include the necessary tax condition types.
  
  Solution:
  To resolve the NAA138 error, you can follow these steps:
  
  
  Check Settlement Schema Configuration:
  
  Go to the transaction code SPRO (SAP Reference IMG).
  Navigate to Financial Accounting (New) > Accounts Receivable and Accounts Payable > Basic Settings > Define Settlement Schema.
  Verify that the settlement schema (&1) includes the tax condition type (&2). If it is missing, you may need to add it.
  
  
  
  Add Missing Tax Condition Type:
  
  If the tax condition type is not present, you can add it to the settlement schema. Ensure that the condition type is correctly configured with the necessary settings.
  
  
  
  Check for Customizations:
  
  If there are customizations in your system, ensure that they are correctly implemented and that they include the necessary tax condition types.
  
  
  
  Review Transaction Assignment:
  
  Ensure that the transaction you are processing is correctly assigned to the appropriate settlement schema that includes the required tax condition type.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes from SAP regarding the specific tax condition type and settlement schema to ensure compliance with best practices.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test settlement to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO for configuration, SE11 for data dictionary, and SE80 for development objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message NAA138.
  User Roles: Ensure that you have the necessary authorizations to make changes to the settlement schema and tax condition types.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in financial accounting and controlling (FI/CO) within SAP.