How To Fix E0852 - Inbound IDocs from R/2: Could not lock temporary numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 852

• Message text: Inbound IDocs from R/2: Could not lock temporary numbers

What causes this issue?

The temporary number of IDocs received by a System R/2 could not be
locked.
Lock argument: &v1&

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 the system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0852 - Inbound IDocs from R/2: Could not lock temporary numbers ?

  The SAP error message E0852, which states "Inbound IDocs from R/2: Could not lock temporary numbers," typically occurs when there is an issue with the IDoc processing in the SAP system, particularly when dealing with inbound IDocs from an R/2 system. This error indicates that the system is unable to lock the temporary number range required for processing the IDoc.
  Causes:
  
  Number Range Locking Issues: The temporary number range required for processing the IDoc may be locked by another process or user, preventing the current process from obtaining the necessary lock.
  Configuration Issues: There may be misconfigurations in the IDoc processing settings or number range settings in the SAP system.
  Database Locking: Database locks on the relevant tables can also lead to this error, especially if multiple processes are trying to access the same resources simultaneously.
  System Performance: High system load or performance issues can lead to delays in acquiring locks, resulting in this error.
  
  Solutions:
  
  Check for Locks: Use transaction code SM12 to check for any existing locks on the relevant number range objects. If you find locks that are no longer needed, you can delete them.
  Review Number Range Configuration: Ensure that the number range configuration for IDocs is correctly set up. You can check this in transaction code SNRO (Number Range Objects) and ensure that the temporary number range is properly defined and not exhausted.
  Monitor System Performance: Check the system performance using transaction codes like SM50 or SM66 to identify any processes that may be causing delays or locks. If necessary, optimize the performance of the system.
  Retry Processing: Sometimes, simply retrying the IDoc processing after a short period can resolve the issue if it was caused by a temporary lock.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be bug fixes related to IDoc processing in newer versions.
  
  Related Information:
  
  Transaction Codes:
  
  WE02 or WE05: To monitor IDocs and check their status.
  SM12: To view and manage locks in the system.
  SNRO: To manage number ranges.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP documentation related to IDoc processing and number range management for more detailed information.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.