How To Fix JB149 - System error: Field &1 is not in field catalog &2

SAP Error Message - Details

• Message type: E = Error

• Message class: JB - General Message Class for IS-B (Development Class JBD)

• Message number: 149

• Message text: System error: Field &1 is not in field catalog &2

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 JB149 - System error: Field &1 is not in field catalog &2 ?

  The SAP error message JB149, which states "System error: Field &1 is not in field catalog &2," typically occurs when there is a mismatch between the fields expected in a report or a data structure and the fields that are actually defined in the field catalog. This can happen in various contexts, such as when generating reports, using ALV (ABAP List Viewer), or when working with data extraction.
  Cause:
  
  Field Catalog Mismatch: The field specified in the error message (&1) is not included in the field catalog (&2) that is being used for the report or data display.
  Changes in Data Structure: If the underlying data structure has changed (e.g., fields added or removed), the field catalog may not have been updated accordingly.
  Incorrect Field Name: There may be a typo or incorrect field name being referenced in the code.
  Dynamic Field Catalog: If the field catalog is being generated dynamically, there may be logic errors in the code that prevent the field from being included.
  
  Solution:
  
  
  Check Field Catalog Definition: Review the field catalog definition in your ABAP code to ensure that it includes the field specified in the error message. You can do this by checking the relevant code where the field catalog is defined.
  
  
  Update Field Catalog: If the field is missing, add it to the field catalog. Ensure that the field name matches exactly, including case sensitivity.
  
  
  Verify Data Structure: Check the data structure or table from which the data is being pulled to ensure that the field exists and is correctly defined.
  
  
  Debugging: If the issue persists, use debugging tools to step through the code and inspect the field catalog at runtime. This can help identify where the mismatch is occurring.
  
  
  Consult Documentation: If you are using standard SAP reports or transactions, consult the relevant SAP documentation or notes for any known issues or updates related to the field catalog.
  
  
  Check for Enhancements: If there are any enhancements or modifications in your SAP system, ensure that they are not affecting the field catalog or the data being processed.
  
  
  Related Information:
  
  ALV Reports: If you are working with ALV reports, familiarize yourself with the REUSE_ALV_LIST_DISPLAY or REUSE_ALV_GRID_DISPLAY function modules, as they often involve field catalogs.
  SAP Notes: Search for SAP Notes related to this error message in the SAP Support Portal, as there may be specific fixes or recommendations provided by SAP.
  ABAP Documentation: Review the ABAP documentation for field catalogs and dynamic programming to better understand how to manage fields in reports.
  
  By following these steps, you should be able to resolve the JB149 error and ensure that your field catalog is correctly configured.