How To Fix FQ646 - Source tax data in the document to be deferred cannot be processed

SAP Error Message - Details

• Message type: E = Error

• Message class: FQ - Payment Requests and Payment Program

• Message number: 646

• Message text: Source tax data in the document to be deferred cannot be processed

What causes this issue?

You want to defer a document with withholding tax data. However, in the
deferral request only those documents can be processed that show a
withholding tax type with the characteristic value
<LS>Posting for payments</>.

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?

Eine Stundung ist nicht m?glich.

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 FQ646 - Source tax data in the document to be deferred cannot be processed ?

  The SAP error message FQ646, which states "Source tax data in the document to be deferred cannot be processed," typically occurs in the context of tax processing in SAP, particularly when dealing with deferred tax postings. This error can arise in various scenarios, such as during the posting of invoices, payments, or when processing tax returns.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Tax Configuration: The tax codes or tax types used in the document may not be configured correctly in the system.
  Missing Tax Data: The document may lack necessary tax data that is required for processing deferred tax.
  Inconsistent Document Status: The document may be in a status that does not allow for the processing of deferred tax.
  System Settings: There may be specific settings in the tax configuration that prevent the processing of deferred tax for certain transactions.
  Document Type Restrictions: Certain document types may not support deferred tax processing.
  
  Solution:
  To resolve the FQ646 error, you can take the following steps:
  
  
  Check Tax Configuration:
  
  Review the tax codes and ensure they are correctly configured in the system. This includes checking the tax calculation procedures and ensuring that the relevant tax types are set up properly.
  
  
  
  Verify Document Data:
  
  Ensure that all necessary tax data is present in the document. This includes checking for any missing tax codes or amounts.
  
  
  
  Review Document Status:
  
  Check the status of the document to ensure it is in a state that allows for deferred tax processing. If the document is blocked or in a status that does not permit changes, you may need to resolve that first.
  
  
  
  Consult System Settings:
  
  Review the system settings related to tax processing. This may involve checking the configuration in the Financial Accounting (FI) module or the Controlling (CO) module.
  
  
  
  Check Document Type:
  
  Ensure that the document type being used supports deferred tax processing. If not, consider using a different document type that does.
  
  
  
  Consult SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that may resolve known issues.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on tax configuration and processing.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the root cause of the FQ646 error and implement a solution to resolve it.