How To Fix /IWFND/CM_V4_COS168 - Enqueue error: Assignment group '&1' system alias '&2' not locked

/IWFND/CM_V4_COS168 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_V4_COS -

• Message number: 168

• Message text: Enqueue error: Assignment group '&1' system alias '&2' not locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_V4_COS168 - Enqueue error: Assignment group '&1' system alias '&2' not locked ?

  The SAP error message /IWFND/CM_V4_COS168 indicates an enqueue error related to the assignment group and system alias not being locked. This typically occurs in the context of the SAP Gateway or OData services when there is an attempt to access or modify a resource that is not currently locked for the operation being performed.
  
  Cause:
  
  Concurrency Issues: The error often arises when multiple processes or users are trying to access or modify the same resource simultaneously, and the necessary locks are not in place.
  Locking Mechanism: The locking mechanism in SAP is designed to prevent data inconsistencies. If a resource is not locked before an operation that requires a lock, this error can occur.
  
  Configuration Issues: There may be issues with the configuration of the assignment group or system alias that prevent proper locking.
  
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If there are locks that should not be