How To Fix MN813 - No tax code passed on

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 813

• Message text: No tax code passed on

What causes this issue?

The external data record does not contain a tax code.
However, the "Tax code" field (MCKONAB-MWSKZ) is a mandatory-entry
field.

System Response

The external data record cannot be adopted.

How to fix this error?

Please correct the external data file.
If the error did not occur in a check run and you have written to the
"actual" data (version '000'), you should cancel the update of the
external supplier business volume data to ensure that the data remains
consistent.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN813 - No tax code passed on ?

  The SAP error message MN813 "No tax code passed on" typically occurs in the context of materials management or financial transactions when the system expects a tax code to be provided but does not receive one. This can happen in various scenarios, such as during the creation of purchase orders, goods receipts, or invoice processing.
  Cause:
  
  Missing Tax Code: The most common cause is that the tax code has not been specified in the relevant document (e.g., purchase order, invoice).
  Configuration Issues: There may be issues with the configuration of tax codes in the system, such as missing tax codes for specific countries or regions.
  Master Data Issues: The vendor or material master data may not have the necessary tax information set up.
  Document Type Settings: The document type being used may not be configured to allow tax codes.
  
  Solution:
  
  Check Document Entry: Ensure that the tax code is entered in the relevant fields when creating or processing the document. This is usually found in the item details of the purchase order or invoice.
  Review Master Data: Verify that the vendor master and material master records have the appropriate tax information. You can check the tax classification fields in the vendor and material master records.
  Configuration Check: If you have access to configuration settings, check the tax code settings in the SAP system. Ensure that the tax codes are correctly defined for the relevant country and that they are assigned to the appropriate account groups.
  Document Type Settings: Review the settings for the document type being used to ensure that it is configured to allow tax codes.
  Consult with SAP Support: If the issue persists after checking the above points, it may be necessary to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like ME21N (Create Purchase Order), MIRO (Invoice Verification), or MIGO (Goods Movement) to check the relevant documents.
  Tax Configuration: The configuration for tax codes can typically be found under the following path in the SAP IMG: 
  
  Financial Accounting (FI) > Financial Accounting Global Settings (New) > Tax on Sales/Purchases > Basic Settings.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to tax codes and this error message.
  
  By following these steps, you should be able to identify and resolve the issue causing the MN813 error message in SAP.