How To Fix MDG_MDF400 - Parameter for ENQUEUE/DEQUEUE contains an error

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_MDF - Master Data: Messages

• Message number: 400

• Message text: Parameter for ENQUEUE/DEQUEUE contains an error

What causes this issue?

The Enqueue/Dequeue parameters were not specified correctly.

System Response

Processing terminated

How to fix this error?

Specify either the parameter IT_VALUE or IT_SEL or IT_DATA.

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 MDG_MDF400 - Parameter for ENQUEUE/DEQUEUE contains an error ?

  The SAP error message MDG_MDF400 indicates that there is an issue with the parameters used for the enqueue or dequeue operations in the Master Data Governance (MDG) module. This error typically arises when there is a problem with the locking mechanism that SAP uses to prevent concurrent access to data objects.
  Causes:
  
  Incorrect Parameters: The parameters passed to the enqueue or dequeue function modules may be incorrect or malformed.
  Data Locking Issues: There may be a conflict with existing locks on the data object, which can occur if another process is currently accessing or modifying the same data.
  Authorization Issues: The user may not have the necessary authorizations to perform the enqueue or dequeue operation.
  System Configuration: There may be issues with the configuration of the MDG system or the underlying database that affect locking mechanisms.
  
  Solutions:
  
  Check Parameters: Review the parameters being passed to the enqueue/dequeue function modules. Ensure that they are correct and conform to the expected format.
  Release Locks: If there are existing locks on the data object, you may need to wait for the other process to complete or manually release the locks if appropriate.
  User Authorizations: Verify that the user executing the operation has the necessary authorizations to perform enqueue and dequeue actions.
  System Logs: Check the system logs (transaction SLG1) for more detailed error messages that may provide additional context about the issue.
  Debugging: If you have access to the development environment, you can debug the enqueue/dequeue function to identify where the error is occurring.
  Consult Documentation: Review SAP documentation or notes related to the MDG module for any known issues or patches that may address this error.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM12 to view and manage locks in the system.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.