How To Fix FLQ038 - Substitution of Field & in FI Document Line Item Not Permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: FLQ - Liquidity Calculation

• Message number: 038

• Message text: Substitution of Field & in FI Document Line Item Not Permitted

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 FLQ038 - Substitution of Field & in FI Document Line Item Not Permitted ?

  The SAP error message FLQ038, which states "Substitution of Field & in FI Document Line Item Not Permitted," typically occurs in the context of financial document processing within the SAP system. This error is related to the substitution rules defined in the system, which are used to automatically replace or modify certain fields in financial documents based on predefined criteria.
  
  Cause:
  The error is triggered when the system attempts to substitute a field in a financial document line item, but the substitution is not allowed for that specific field or context. This can happen due to several reasons, including:
  
  
  Field Restrictions: The field you are trying to substitute may have restrictions that prevent it from being changed. For example, certain fields in financial documents are critical for accounting integrity and cannot be altered after the document is posted.
  
  
  Substitution Rules: The substitution rules defined in the system may not allow for the substitution of