How To Fix DI757 - Field &-& may not be checked against field &-&

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 757

• Message text: Field &-& may not be checked against field &-&

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 DI757 - Field &-& may not be checked against field &-& ?

  The SAP error message DI757 typically indicates that there is a mismatch or inconsistency in the data fields being compared or validated in a specific operation. This error often arises in the context of data validation, where the system is trying to check one field against another, but the fields are not compatible for comparison.
  Cause:
  
  Field Type Mismatch: The fields being compared may have different data types (e.g., comparing a numeric field with a character field).
  Incompatible Domains: The fields may belong to different domains or data elements that do not allow for direct comparison.
  Incorrect Configuration: There may be an issue with the configuration of the data model or the way the fields are defined in the database.
  Custom Code Issues: If there is custom ABAP code involved, it may be incorrectly handling the data types or logic for the comparison.
  
  Solution:
  
  Check Field Definitions: Review the definitions of the fields involved in the comparison. Ensure that they are of compatible types and domains.
  Data Type Conversion: If necessary, implement data type conversion in your code or configuration to ensure that the fields can be compared correctly.
  Review Custom Code: If the error is occurring in a custom program or enhancement, review the logic to ensure that it is correctly handling the fields.
  Consult Documentation: Check SAP documentation or notes related to the specific transaction or process you are working with for any known issues or additional guidance.
  Debugging: Use the SAP debugger to trace the execution and identify where the error is occurring. This can help pinpoint the exact cause of the mismatch.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional context.
  Transaction Codes: If this error occurs during a specific transaction, check the transaction code for any known issues or updates.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.