How To Fix SD_EXPRESSION065 - Datatype &1 not allowed in expression

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_EXPRESSION - Messages processing AST expressions

• Message number: 065

• Message text: Datatype &1 not allowed in expression

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_EXPRESSION065 - Datatype &1 not allowed in expression ?

  The SAP error message SD_EXPRESSION065 indicates that there is an issue with the data type being used in an expression within the Sales and Distribution (SD) module. Specifically, the error message states that the datatype specified (represented by &1) is not allowed in the context of the expression being evaluated.
  Cause:
  This error typically arises due to one of the following reasons:
  
  Incorrect Data Type: The expression is trying to use a data type that is not compatible with the operation being performed. For example, you might be trying to perform arithmetic operations on a string or a non-numeric data type.
  Configuration Issues: There may be a misconfiguration in the pricing procedure or condition records where the data types of fields are not aligned with what is expected.
  Custom Code: If there is custom code or user-defined fields involved, the data types may not be correctly defined or handled.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Expression: Review the expression that is causing the error. Ensure that all data types used in the expression are compatible with the operations being performed.
  
  
  Review Configuration: 
  
  Go to the pricing procedure configuration and check the condition types and their associated data types.
  Ensure that the fields being used in the pricing conditions are correctly defined and compatible with the expected data types.
  
  
  
  Debugging: If the error is occurring in a custom program or user exit, use the ABAP debugger to trace the execution and identify where the incompatible data type is being introduced.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or functionality you are working with. There may be known issues or additional guidance available.
  
  
  Testing: After making changes, test the scenario again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with transaction codes related to pricing and condition maintenance, such as VK11, VK31, and V/08, to help in troubleshooting.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.