How To Fix SD_EXPRESSION051 - Number of function parameters for &1 is not as expected: &2 <> &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_EXPRESSION - Messages processing AST expressions

• Message number: 051

• Message text: Number of function parameters for &1 is not as expected: &2 <> &3

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SD_EXPRESSION051 - Number of function parameters for &1 is not as expected: &2 <> &3 ?

  The SAP error message SD_EXPRESSION051 indicates that there is a mismatch in the number of parameters expected by a function and the number of parameters that have been provided. This error typically occurs in the context of SAP SD (Sales and Distribution) when working with pricing procedures, condition records, or similar configurations where functions are defined.
  
  Cause:
  The error message is triggered when:
  
  A function is defined to accept a specific number of parameters, but the actual number of parameters passed to the function does not match the expected count.
  This can happen due to incorrect configuration in pricing procedures, condition types, or user-defined functions in the SAP system.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Function Definition:
  
  Identify the function that is causing the error (indicated by &1 in the error message).
  Review the function definition to confirm the expected number of parameters (&3 in the error message).
  
  
  
  Review Calling Code:
  
  Look at the code or