How To Fix SALV_BS_MSG303 - Unknown comparison operator "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_BS_MSG -

• Message number: 303

• Message text: Unknown comparison operator "&1"

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 SALV_BS_MSG303 - Unknown comparison operator "&1" ?

  The SAP error message SALV_BS_MSG303 with the description "Unknown comparison operator '&1'" typically occurs in the context of using the SAP ALV (ABAP List Viewer) framework, particularly when dealing with filtering or selection criteria in an ALV grid.
  Cause:
  This error is usually caused by one of the following reasons:
  
  Invalid Comparison Operator: The comparison operator specified in the filter criteria is not recognized by the ALV framework. This could happen if a custom or unsupported operator is used.
  Typographical Error: There might be a typo in the operator string, leading to the system not recognizing it.
  Incorrect Data Type: The data type of the field being compared may not support the operator being used.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Comparison Operators: Ensure that you are using valid comparison operators. Common operators include:
  
  = (equals)
  <> (not equals)
  > (greater than)
  < (less than)
  >= (greater than or equal to)
  <= (less than or equal to)
  IN (for lists)
  LIKE (for pattern matching)
  
  
  
  Review Code: If you are using custom code to set filters, review the code to ensure that the operators are correctly defined and that there are no typographical errors.
  
  
  Debugging: If the issue persists, consider debugging the ALV report to see the exact values being passed to the filter criteria. This can help identify if an unexpected value is being used.
  
  
  Consult Documentation: Refer to the SAP documentation for the ALV framework to ensure that you are using the correct syntax and operators for the version of SAP you are working with.
  
  
  Check Data Types: Ensure that the data types of the fields being compared are compatible with the operators being used.
  
  
  Related Information:
  
  ALV Documentation: Review the official SAP documentation for the ALV framework to understand the supported features and limitations.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide patches related to the ALV framework.
  Community Forums: Consider searching or posting on SAP community forums or platforms like SAP Community, Stack Overflow, or other ABAP-related forums for additional insights from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the SALV_BS_MSG303 error in your SAP environment.