How To Fix S_UNIFIED_CON_API181 - Workbench Error: Enqueued by User for communication assembly &1

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON_API - Messages for API for Unified Connectivity

• Message number: 181

• Message text: Workbench Error: Enqueued by User for communication assembly &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON_API181 - Workbench Error: Enqueued by User for communication assembly &1 ?

  The SAP error message S_UNIFIED_CON_API181 indicates that a workbench object is currently locked (or "enqueued") by a user, which prevents other users from making changes to that object. This is a common scenario in SAP systems when multiple users or processes attempt to access or modify the same object simultaneously.
  Cause:
  The error typically occurs due to the following reasons:
  
  User Lock: A user has locked the object for editing, which can happen if they are currently working on it or if they have not properly released the lock after their session.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected.
  System Issues: Occasionally, system issues or crashes can leave objects in a locked state.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to view the list of locks in the system.
  Check for the user who has locked the object in question. You can filter by the object name or user ID.
  
  
  
  Release the Lock:
  
  If you have the necessary authorizations, you can manually delete the lock entry in SM12. Be cautious when doing this, as it may disrupt the user's work.
  If the lock is held by a user who is not currently active, you may need to contact that user to ask them to release the lock.
  
  
  
  Check for Long-Running Transactions:
  
  If the lock is due to a long-running transaction, investigate the transaction to see if it can be optimized or if it needs to be terminated.
  
  
  
  System Restart:
  
  In some cases, a system restart may be necessary to clear locks that are stuck due to system issues. This should be done with caution and typically during a maintenance window.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant notes or updates regarding this error message. There may be specific patches or updates that address known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors or warnings.
  ST22: To analyze dumps that may provide insight into system issues.
  
  
  
  User Communication: If the lock is held by another user, it may be helpful to communicate with them to understand why the lock is in place and if they can release it.
  
  
  Best Practices: Encourage users to properly log off or release locks when they are done working on objects to minimize the occurrence of such errors.
  
  
  By following these steps, you should be able to resolve the S_UNIFIED_CON_API181 error and restore normal functionality in your SAP environment.