How To Fix SD_EXPRESSION004 - Type of literal & is unknown or not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_EXPRESSION - Messages processing AST expressions

• Message number: 004

• Message text: Type of literal & is unknown or not supported

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_EXPRESSION004 - Type of literal & is unknown or not supported ?

  The SAP error message SD_EXPRESSION004 indicates that there is an issue with a literal type in a formula or expression used in the Sales and Distribution (SD) module. This error typically arises when the system encounters a literal that it does not recognize or support in the context of the expression being evaluated.
  Cause:
  
  Unsupported Data Type: The literal used in the expression may be of a type that is not supported by the SAP system. For example, using a string where a numeric value is expected.
  Syntax Error: There may be a syntax error in the expression, leading to the system being unable to interpret the literal correctly.
  Custom Code: If there are custom developments or enhancements in the system, the error could stem from a custom formula that is not correctly defined.
  Configuration Issues: Incorrect configuration in the pricing procedure or condition types may lead to this error.
  
  Solution:
  
  Check the Expression: Review the expression or formula where the error occurs. Ensure that all literals are of the correct type and that the syntax is correct.
  Data Type Validation: Verify that the literals used in the expression are supported by SAP. For example, if a numeric value is expected, ensure that you are not using a string or other unsupported type.
  Debugging: If the error occurs in a custom program or enhancement, use the debugger to trace the execution and identify the exact point of failure.
  Review Configuration: Check the configuration settings in the pricing procedure and condition types to ensure they are set up correctly.
  SAP Notes: Search for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error. SAP frequently updates its documentation and may have provided solutions or workarounds for known issues.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the supported literals and their types.
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you have access to SAP support, consider opening a support ticket for further assistance.
  Testing: After making changes, thoroughly test the affected functionality to ensure that the error is resolved and that no new issues have been introduced.
  
  By following these steps, you should be able to identify and resolve the cause of the SD_EXPRESSION004 error in your SAP system.