How To Fix SD_EXPRESSION066 - Function &1 is unknown

SD_EXPRESSION066 - Overview

• Message type: E = Error

• Message class: SD_EXPRESSION - Messages processing AST expressions

• Message number: 066

• Message text: Function &1 is unknown

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_EXPRESSION066 - Function &1 is unknown ?

  The SAP error message SD_EXPRESSION066 with the description "Function &1 is unknown" typically occurs in the context of SAP Sales and Distribution (SD) when there is an issue with a pricing procedure or a condition type that references a function that is not recognized by the system.
  Causes:
  
  Missing Function Module: The function module that is being called in the pricing procedure or condition type may not exist in the system.
  Incorrect Configuration: The pricing procedure may be incorrectly configured, referencing a function that is not valid or has been deleted.
  Transport Issues: If the pricing procedure or related configuration was transported from another system, there may have been issues during the transport that caused the function to be missing.
  Version Mismatch: There may be a version mismatch if the function was created in a different version of SAP and is not available in the current version.
  
  Solutions:
  
  Check Function Module: Verify if the function module referenced