How To Fix MSITEM021 - Internal error in FI_ITEMS_LDB_SELECTIONS

MSITEM021 - Overview

• Message type: E = Error

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

• Message number: 021

• Message text: Internal error in FI_ITEMS_LDB_SELECTIONS

What causes this issue?

,,An internal error has occurred in the function module
FI_ITEMS_LDB_SELECTIONS

System Response

,,The line item selection 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 MSITEM021 - Internal error in FI_ITEMS_LDB_SELECTIONS ?

  The SAP error message MSITEM021 with the description "Internal error in FI_ITEMS_LDB_SELECTIONS" typically indicates an issue related to the selection logic in the Financial Accounting (FI) module, particularly when dealing with item selections in a report or transaction.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the underlying data that the report or transaction is trying to access.
  Custom Code Issues: If there are custom enhancements or modifications in the system, they might be causing conflicts or errors in the standard logic.
  System Bugs: There could be a bug in the SAP system version you are using, which might lead to this internal error.
  
  Configuration Issues: Incorrect configuration settings in the FI module could lead to unexpected behavior and errors.
  Performance Issues: If the system is under heavy load or if there are performance issues, it might lead to timeouts or internal errors.
  
  Solutions:
  
  Check for Data Consistency: Use transaction codes like SE11 (Data Dictionary) or