How To Fix SALV_X_API034 - Unknown comparison operator: &

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 034

• Message text: Unknown comparison operator: &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API034 - Unknown comparison operator: & ?

  The SAP error message SALV_X_API034 Unknown comparison operator: & typically occurs when using the SAP ALV (ABAP List Viewer) framework, particularly when dealing with filtering or sorting operations. This error indicates that an invalid or unrecognized comparison operator has been specified in the context of a filter or selection criteria.
  Cause:
  The error is usually caused by one of the following:
  
  Invalid Comparison Operator: The operator specified in the filter criteria is not recognized by the ALV framework. Common operators include =, <>, <, >, <=, >=, and * (for wildcard searches).
  Typographical Error: There may be a typo in the operator string, leading to an unrecognized value.
  Dynamic Input: If the comparison operator is being dynamically generated or passed as a variable, it may not be set correctly.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Comparison Operator: Ensure that the comparison operator being used is valid and recognized by the ALV framework. Replace any invalid operators with valid ones.
  
  
  Review Code for Typos: Look for any typographical errors in the code where the comparison operator is defined. Ensure that it matches the expected format.
  
  
  Debug Dynamic Values: If the operator is being set dynamically, add debugging statements to check the value being passed. Ensure that it is one of the valid operators.
  
  
  Consult Documentation: Refer to the SAP documentation for the ALV framework to confirm the list of valid comparison operators and their usage.
  
  
  Example Code Review: If you are using a specific piece of code to set filters, review it for correctness. Here’s a simple example of how to set a filter correctly:
  DATA: lo_alv TYPE REF TO cl_salv_table,
        lt_filter TYPE cl_salv_filters=>t_filter,
        lo_filter TYPE REF TO cl_salv_filter.
  
  cl_salv_table=>factory(
    IMPORTING
      r_salv_table = lo_alv
    CHANGING
      t_table      = your_table ).
  
  lo_filter = lo_alv->get_filter( ).
  lt_filter = lo_filter->get_filters( ).
  
  " Example of setting a valid filter
  APPEND VALUE #( fieldname = 'YOUR_FIELD'
                  operator = '='  " Ensure this is a valid operator
                  value = 'YourValue' ) TO lt_filter.
  
  lo_filter->set_filters( lt_filter ).
  
  
  Related Information:
  
  ALV Documentation: Check the official SAP documentation for the ALV framework for more details on filtering and sorting.
  SAP Community: Engage with the SAP Community forums for insights from other developers who may have encountered similar issues.
  Debugging Tools: Utilize the ABAP debugger to step through your code and inspect the values being used for filters and operators.
  
  By following these steps, you should be able to identify and resolve the cause of the SALV_X_API034 error in your SAP application.