How To Fix COM_IL_UI002 - Constructor: Unable to create field catalog

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_IL_UI - Messages for Interlinkage Interface

• Message number: 002

• Message text: Constructor: Unable to create field catalog

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_IL_UI002 - Constructor: Unable to create field catalog ?

  The SAP error message COM_IL_UI002: Constructor: Unable to create field catalog typically occurs in the context of SAP applications that involve the use of field catalogs, particularly in the context of ALV (ABAP List Viewer) reports or similar UI components. This error indicates that the system is unable to generate the field catalog required for displaying data in a structured format.
  Causes:
  
  Missing or Incorrect Field Definitions: The field catalog may be trying to reference fields that do not exist in the underlying data structure or have been incorrectly defined.
  Data Type Mismatches: There may be inconsistencies in data types between the field catalog and the actual data being processed.
  Authorization Issues: The user may not have the necessary authorizations to access certain fields or data elements.
  Configuration Issues: There may be issues with the configuration of the ALV or the related components.
  Programmatic Errors: Errors in the ABAP code that constructs the field catalog can lead to this issue.
  
  Solutions:
  
  Check Field Definitions: Verify that all fields referenced in the field catalog are correctly defined in the data structure. Ensure that the field names match exactly.
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