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

NAA138 - Overview

• 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