How To Fix S4109 - Compare operator & for field & in table & is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: S4 - POPUP_GET_VALUES... and other central functions

• Message number: 109

• Message text: Compare operator & for field & in table & is not valid

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 S4109 - Compare operator & for field & in table & is not valid ?

  The SAP error message S4109 indicates that there is an issue with the use of a comparison operator in a selection condition for a field in a database table. This error typically arises when the comparison operator used in a query or selection statement is not valid for the data type of the field being referenced.
  Cause:
  
  Invalid Comparison Operator: The operator used (e.g., =, <>, <, >, <=, >=, LIKE, etc.) is not appropriate for the data type of the field. For example, using a string comparison operator on a numeric field.
  Field Type Mismatch: The field in question may have a specific data type (e.g., CHAR, NUMC, DATS) that does not support the operator being used.
  Incorrect Syntax: There may be a syntax error in the query or selection criteria that leads to the operator being misinterpreted.
  
  Solution:
  
  Check Data Types: Verify the data type of the field in the database table. Ensure that the comparison operator you are using is valid for that data type.
  Use Appropriate Operators: Adjust the comparison operator to one that is valid for the field's data type. For example, if the field is numeric, ensure you are using numeric comparison operators.
  Review Query Syntax: Double-check the syntax of your query or selection statement to ensure it is correctly formatted.
  Consult Documentation: Refer to SAP documentation or the data dictionary (SE11) to understand the valid operators for the specific field and data type.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) to check the field definitions and data types.
  ABAP Debugging: If you are working with ABAP code, you can use the debugger to step through the code and identify where the error occurs.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific error message.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the S4109 error and implement a solution to resolve it.