How To Fix G00518 - Task &1 is blocked for cons group &2

SAP Error Message - Details

• Message type: E = Error

• Message class: G00 - SAP Consolidation

• Message number: 518

• Message text: Task &1 is blocked for cons group &2

What causes this issue?

This <DS:GLOS.3526B7B2AFAB52B9E10000009B38F974>task</> is already
blocked in the <DS:GLOS.3526B7AFAFAB52B9E10000009B38F974>consolidation
monitor</>.

System Response

This consolidation group will not be included in the elimination of
interunit profit/loss in inventory.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message G00518 - Task &1 is blocked for cons group &2 ?

  The SAP error message G00518 indicates that a task is blocked for a particular consistency group. This typically occurs in the context of background processing or when dealing with parallel processing in SAP systems, particularly in relation to the SAP Transport Management System (TMS) or when managing background jobs.
  Cause:
  The error message "Task &1 is blocked for cons group &2" usually arises due to one of the following reasons:
  
  Resource Contention: The task is trying to access a resource that is currently locked or being used by another task or process.
  Consistency Group Lock: The consistency group is designed to ensure that certain tasks are executed in a specific order or that they do not interfere with each other. If one task is still processing, others may be blocked.
  Configuration Issues: There may be misconfigurations in the transport routes or in the background job settings that lead to this blockage.
  System Performance Issues: High system load or performance issues can lead to tasks being delayed or blocked.
  
  Solution:
  To resolve the G00518 error, you can take the following steps:
  
  
  Check the Status of the Task: Use transaction codes like SM37 (for background jobs) or ST22 (for dumps) to check the status of the task that is blocked. Look for any related jobs that might be holding locks.
  
  
  Identify the Blocking Task: Determine which task is currently holding the lock on the consistency group. You can use transaction SM12 to check for locks and identify the user or process that is holding the lock.
  
  
  Release the Lock: If you identify a task that is holding the lock unnecessarily, you may need to terminate it or wait for it to complete. Be cautious when releasing locks, as this can lead to data inconsistencies.
  
  
  Review Configuration: Check the configuration of your transport routes and consistency groups to ensure they are set up correctly. Make sure that the tasks are not misconfigured to run in a way that causes them to block each other.
  
  
  Monitor System Performance: If the issue is related to system performance, consider monitoring system resources and performance metrics. You may need to optimize your system or schedule jobs during off-peak hours.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM12 (Lock Entries), and ST22 (Dump Analysis).
  SAP Documentation: Review SAP documentation related to background processing and transport management for best practices and configuration guidelines.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.