How To Fix WRF_AT124 - System error while accessing already read allocation table data

WRF_AT124 - Overview

• Message type: E = Error

• Message class: WRF_AT - Messages for Allocation Table RTFASH

• Message number: 124

• Message text: System error while accessing already read allocation table data

What causes this issue?

The system cannot find the data record in table GT_AUPO_DB, although it
was already copied from table GT_AUPO_DB_ALL.
The problem involves allocation table &V1&, item &V2&, which is
referenced by purchase order &V3&, item &V4&.

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?

Check the relationship between the named allocation table item and the
purchase order item.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_AT124 - System error while accessing already read allocation table data ?

  SAP Error Message:
  WRF_AT124: System error while accessing already read allocation table data
  
  
  Cause:
  This error typically occurs in SAP Workflow Runtime (WRF) when the system tries to access or manipulate allocation table data that has already been read or processed. The allocation table is used internally by the workflow engine to manage task assignments and resource allocations.
  Common causes include:
  
  Data inconsistency or corruption in the workflow allocation tables.
  Concurrent access conflicts where multiple processes try to read/write the same allocation data simultaneously.
  Incomplete or failed workflow tasks that leave the allocation table in an inconsistent state.
  Custom code or enhancements that improperly handle allocation table data.
  Issues during workflow runtime or task reassignments.
  
  
  
  Solution:
  
  
  Check for Workflow Inconsistencies:
  
  Use transaction SWI1 (Workflow Log) to identify any errors or stuck workflows.
  Use transaction SWU_OBUF to check the workflow buffer consistency.
  Run SWU_REPAIR to repair inconsistencies in the workflow runtime environment.
  
  
  
  Database Consistency Checks:
  
  Check the allocation tables (e.g., SWWALLOC, SWWUSER, SWWLOGH) for inconsistencies or locks.
  Use