How To Fix FOT_TDT001 - Only one tax relevant line item is allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: FOT_TDT -

• Message number: 001

• Message text: Only one tax relevant line item is allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FOT_TDT001 - Only one tax relevant line item is allowed ?

  The SAP error message FOT_TDT001: "Only one tax relevant line item is allowed" typically occurs in the context of financial transactions where multiple line items are being processed, and the system expects only one line item to be tax-relevant. This error is often encountered in scenarios involving tax calculations, such as during invoice processing or when posting accounting documents.
  Cause:
  
  Multiple Tax-Relevant Line Items: The primary cause of this error is that the transaction being processed contains more than one line item that is marked as tax-relevant. In many cases, the system is designed to handle only one tax-relevant line item per transaction to ensure accurate tax calculations.
  Incorrect Configuration: There may be configuration issues in the tax settings or in the way the document is structured, leading to multiple line items being flagged for tax.
  Data Entry Errors: Users may inadvertently enter multiple line items that are all marked for tax relevance, leading to this error.
  
  Solution:
  
  Review Line Items: Check the line items in the transaction. Ensure that only one line item is marked as tax-relevant. You may need to adjust the entries to comply with this requirement.
  Adjust Tax Settings: If the business process requires multiple tax-relevant line items, consider reviewing the tax configuration settings in SAP. This may involve consulting with your SAP functional consultant or tax specialist to ensure that the system is set up correctly.
  Split Transactions: If you need to process multiple tax-relevant items, consider splitting the transaction into separate postings, each containing only one tax-relevant line item.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling tax-relevant line items in your version of SAP.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to financial postings, such as FB60 (Invoice), FB70 (Customer Invoice), or during the posting of journal entries.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates or patches that could resolve the issue.
  User Exits and BAdIs: If your organization has custom developments, check if there are any user exits or BAdIs that might be affecting how line items are processed.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with your SAP support team or a consultant who can provide more tailored assistance based on your specific SAP environment and configuration.