How To Fix MDC_ADAPTER005 - Queue &1 contains a failed unit

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_ADAPTER - Messages for generic adapter implementations

• Message number: 005

• Message text: Queue &1 contains a failed unit

What causes this issue?

In the bgRFC queue &v1& a unit failed to be processed successfully and
locks any subsequent unit waiting in this queue.

System Response

To avoid filling the queue with further units the step adapters stops
creating new units for any queue of this step type.

How to fix this error?

Start transaction
<DS:TRAN.SBGRFCMON>SBGRFCMON</> to find the unit that failed. Decide
how to proceed with this unit and afterwards restart the step of your
process.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_ADAPTER005 - Queue &1 contains a failed unit ?

  The SAP error message MDC_ADAPTER005, which states "Queue &1 contains a failed unit," typically occurs in the context of the SAP Landscape Management (LaMa) or SAP Multi-Cloud Management, where it indicates that there is a problem with a specific unit in a queue that has failed to process correctly.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Configuration Issues: Incorrect configuration settings for the system or the queue.
  Resource Limitations: Insufficient resources (CPU, memory, etc.) on the server where the unit is being processed.
  Network Issues: Problems with network connectivity that prevent the unit from being processed.
  Data Issues: Corrupted or invalid data being processed by the unit.
  System Errors: Bugs or issues within the SAP system or the specific application being used.
  
  Solution:
  To resolve the MDC_ADAPTER005 error, you can follow these steps:
  
  
  Check the Queue: Identify the specific queue mentioned in the error message and check its status. Look for any additional error messages or logs that provide more context about the failure.
  
  
  Review Logs: Examine the application logs and system logs for any related error messages that could give insight into why the unit failed.
  
  
  Resource Monitoring: Monitor the system resources to ensure that there are enough CPU, memory, and disk space available. If resources are low, consider scaling up the resources or optimizing the workload.
  
  
  Data Validation: Validate the data being processed by the unit. Ensure that there are no corrupt or invalid entries that could cause the processing to fail.
  
  
  Configuration Review: Review the configuration settings for the queue and the associated units. Ensure that all settings are correct and aligned with the expected parameters.
  
  
  Retry Processing: If the issue seems to be transient, you can try to reprocess the failed unit. This can sometimes resolve temporary issues.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to the specific error message for additional troubleshooting steps or known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including logs and any steps you have already taken.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these can often resolve known issues.
  
  By following these steps, you should be able to diagnose and resolve the MDC_ADAPTER005 error effectively.