How To Fix AH618 - &1 tax line item(s) generated

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 618

• Message text: &1 tax line item(s) generated

What causes this issue?

The system has performed tax simulation and in the process has created
tax line items which are displayed as additional document line items.
These line items exist only at runtime of the transaction and represent
the simulated result for an invoicing.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH618 - &1 tax line item(s) generated ?

  The SAP error message AH618 indicates that there are tax line items generated for a particular transaction, which may not be processed correctly due to various reasons. This error typically arises in the context of financial accounting and tax reporting within the SAP system.
  Cause:
  
  Incorrect Tax Configuration: The tax codes or tax rates may not be configured correctly in the system.
  Missing Tax Data: Required tax data might be missing for the transaction, leading to the generation of tax line items that cannot be processed.
  Posting Period Issues: The posting period may be closed or not open for the transaction date, preventing the proper posting of tax line items.
  Document Type Restrictions: Certain document types may have restrictions on how tax line items are handled.
  Custom Code or Enhancements: Custom developments or enhancements in the system may interfere with the standard tax processing logic.
  
  Solution:
  
  Check Tax Configuration: Review the tax codes and ensure that they are correctly set up in the system. This includes checking the tax rates, tax categories, and any relevant settings in the tax configuration.
  Verify Transaction Data: Ensure that all necessary tax-related data is present in the transaction. This includes checking for missing tax codes or incorrect amounts.
  Review Posting Periods: Check the posting periods in the system to ensure that the period for the transaction is open. If it is closed, you may need to open it or post the transaction in an open period.
  Analyze Document Types: Review the document type settings to ensure that they allow for the generation and posting of tax line items.
  Debug Custom Code: If there are custom developments, consider debugging the code to identify any issues that may be causing the error.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OB40 (for tax codes), OBY6 (for document types), or FB50 (for posting) to check configurations.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance or fixes for known problems.
  Consult Documentation: Review SAP documentation related to tax processing and financial accounting for additional insights and best practices.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the cause of the AH618 error and implement a solution to resolve it.