How To Fix SD_EXPRESSION056 - Function &1: Literal of parameter &2 has unallowed value &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_EXPRESSION - Messages processing AST expressions

• Message number: 056

• Message text: Function &1: Literal of parameter &2 has unallowed value &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_EXPRESSION056 - Function &1: Literal of parameter &2 has unallowed value &3 ?

  The SAP error message SD_EXPRESSION056 typically occurs in the context of Sales and Distribution (SD) when there is an issue with a function or expression in a pricing procedure or condition record. The error message indicates that a literal value for a parameter is not allowed, which can happen due to various reasons.
  Cause:
  
  Invalid Parameter Value: The value assigned to a parameter in a function is not within the allowed range or set of values. This could be due to incorrect configuration or data entry.
  Configuration Issues: The pricing procedure or condition type may not be correctly configured to accept the value being passed.
  Custom Code: If there is custom code or user-exits involved, they may be passing incorrect values to the function.
  Data Integrity Issues: There may be issues with the master data or transaction data that lead to invalid values being processed.
  
  Solution:
  
  Check Configuration: Review the configuration of the pricing procedure and the condition types involved. Ensure that the parameters and their allowed values are correctly defined.
  Review Function Logic: If the error is related to a custom function or user-exit, check the logic to ensure that it is correctly handling the values being passed.
  Validate Input Data: Ensure that the data being processed (e.g., sales order, condition records) does not contain invalid values. This may involve checking master data like customer master, material master, etc.
  Debugging: If the issue persists, consider debugging the pricing logic to identify where the invalid value is being introduced. This may require technical expertise in ABAP or SAP SD.
  Consult Documentation: Refer to SAP documentation or notes related to the specific function or pricing procedure for additional insights.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  Transaction Codes: Use transaction codes like VK11, VK12, or VK13 to manage condition records and verify their settings.
  Community Forums: Engage with SAP community forums or support channels for additional insights from other users who may have encountered similar issues.
  
  If the problem continues after following these steps, it may be beneficial to involve your SAP support team or consult with an SAP expert for a more in-depth analysis.