How To Fix GU721 - Error in reading internal table

GU721 - Overview

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 721

• Message text: Error in reading internal table

What causes this issue?

The FI-SL master data is stored in special tables. An error occurred
when these tables were read.

System Response

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

How to fix this error?

Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GU721 - Error in reading internal table ?

  The SAP error message GU721, which indicates "Error in reading internal table," typically arises when there is an issue with the internal data structures used by the SAP system. This error can occur in various contexts, such as during report execution, data processing, or when accessing certain transactions.
  Causes of GU721 Error
  
  Data Corruption: The internal table may have become corrupted due to an inconsistency in the data or a failed process.
  Memory Issues: Insufficient memory allocation for the internal table can lead to this error, especially if the table is large.
  Programming Errors: Custom ABAP programs or enhancements may have bugs that lead to improper handling of internal tables.
  Database Issues: Problems with the underlying database, such as locks or inconsistencies, can also trigger this error.
  Transport Issues: If the system has recently undergone a transport of changes, it may lead to inconsistencies in the internal tables.
  
  Solutions to GU721 Error
  
  Check for Data Consistency: Use transaction