How To Fix MQ866 - Any existing user-defined entries have been deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 866

• Message text: Any existing user-defined entries have been deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MQ866 - Any existing user-defined entries have been deleted ?

  The SAP error message MQ866, which states "Any existing user-defined entries have been deleted," typically occurs in the context of managing user-defined entries in SAP, particularly when dealing with customizing or configuration settings. This error can arise in various modules, such as Material Management (MM), Sales and Distribution (SD), or others where user-defined entries are relevant.
  Cause:
  The error message MQ866 is generally triggered when:
  
  Data Deletion: User-defined entries that were previously created have been deleted, either manually or through a system process.
  Transport Requests: If you are transporting changes from one system to another (e.g., from development to production), and the transport does not include the user-defined entries, they may be removed in the target system.
  Configuration Changes: Changes in configuration settings or updates to the system can lead to the deletion of user-defined entries.
  Authorization Issues: Sometimes, users may not have the necessary authorizations to view or manage user-defined entries, leading to confusion about their existence.
  
  Solution:
  To resolve the MQ866 error, consider the following steps:
  
  
  Check for Deletion: Verify if the user-defined entries have indeed been deleted. You can do this by navigating to the relevant configuration or customizing transaction in SAP.
  
  
  Recreate Entries: If the entries are missing, you may need to recreate them manually. Ensure that you have the necessary information and permissions to do so.
  
  
  Review Transport Requests: If the issue arose after a transport, check the transport request to ensure that it included all necessary objects and entries. If not, you may need to re-transport the relevant objects.
  
  
  Authorization Check: Ensure that you have the appropriate authorizations to view and manage user-defined entries. If not, contact your SAP security administrator.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific module you are working with to understand if there are any known issues or additional steps required.
  
  
  System Logs: Check system logs (transaction SLG1) for any related messages that might provide more context on why the entries were deleted.
  
  
  SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that pertain to user-defined entries in your specific module (e.g., SE11 for Data Dictionary, SE80 for Object Navigator).
  SAP Notes: Search for SAP Notes related to MQ866 or the specific module you are working with for any patches or updates that may address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to address the MQ866 error effectively.