How To Fix MSITEM011 - Internal error in REUSE_ALV_FIELDCATALOG_MERGE

SAP Error Message - Details

• Message type: E = Error

• Message class: MSITEM - Line Item Display with ALV, RFITEM**

• Message number: 011

• Message text: Internal error in REUSE_ALV_FIELDCATALOG_MERGE

What causes this issue?

The function module REUSE_ALV_FIELDCATALOG_MERGE reports an internal
error during the determination of the field catalogs for the structure
RFPOSEXT.

System Response

The program cannot be carried out.

How to fix this error?

Contact SAP.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MSITEM011 - Internal error in REUSE_ALV_FIELDCATALOG_MERGE ?

  The SAP error message MSITEM011 indicating an "Internal error in REUSE_ALV_FIELDCATALOG_MERGE" typically occurs when there is an issue with the field catalog used in an ALV (ABAP List Viewer) report. This error can arise due to various reasons, including inconsistencies in the field catalog, incorrect data types, or issues with the data being processed.
  Causes:
  
  Field Catalog Issues: The field catalog may not be properly defined or may contain invalid entries.
  Data Type Mismatches: There may be a mismatch between the data types of the fields in the internal table and those defined in the field catalog.
  Duplicate Field Names: If there are duplicate field names in the field catalog, it can lead to this error.
  Inconsistent Data: The data being processed may have inconsistencies or may not match the expected structure.
  Memory Issues: In some cases, memory allocation issues can lead to internal errors.
  
  Solutions:
  
  
  Check Field Catalog: Review the field catalog definition to ensure that all fields are correctly defined, and there are no duplicates or invalid entries.
  
  Ensure that the field names in the field catalog match those in the internal table.
  Verify that the data types in the field catalog correspond to the data types of the fields in the internal table.
  
  
  
  Debugging: Use the ABAP debugger to step through the code where the ALV is being generated. This can help identify the exact point of failure and the state of the variables involved.
  
  
  Simplify the Field Catalog: If possible, simplify the field catalog to include only essential fields and gradually add more fields to identify which one is causing the issue.
  
  
  Check Data Consistency: Ensure that the data being passed to the ALV is consistent and matches the expected structure. Look for any null or unexpected values.
  
  
  Memory Management: If the error is related to memory, consider optimizing the program to reduce memory usage or check for memory leaks.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  Consult Documentation: Review the official SAP documentation for the REUSE_ALV_FIELDCATALOG_MERGE function module to ensure that it is being used correctly.
  
  
  Related Information:
  
  ALV Reports: Understanding how ALV reports work in SAP can help in troubleshooting issues related to field catalogs.
  Function Module Documentation: Familiarize yourself with the parameters and expected input/output of the REUSE_ALV_FIELDCATALOG_MERGE function module.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify and resolve the cause of the MSITEM011 error in your SAP environment.