How To Fix SY424 - Specified comparison field not known (in given program)

SY424 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 424

• Message text: Specified comparison field not known (in given program)

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 SY424 - Specified comparison field not known (in given program) ?

  The SAP error message SY424 ("Specified comparison field not known") typically occurs when there is an attempt to compare a field that is not recognized or does not exist in the context of the program being executed. This can happen in various scenarios, such as when using ABAP code, particularly in SELECT statements, WHERE clauses, or when performing comparisons in conditional statements.
  Causes:
  
  Typographical Errors: The field name may be misspelled or incorrectly referenced in the code.
  Field Not Defined: The field being referenced may not be defined in the data dictionary or the program context.
  Scope Issues: The field may be defined in a different scope or context that is not accessible at the point of comparison.
  Data Dictionary Changes: If the underlying database table or structure has changed (e.g., fields added or removed), the program may not be updated accordingly.
  Incorrect Data Type: The field being compared may have a different data type than