How To Fix LRM_DC001 - Data controller &1 is being used in rule generator &2

SAP Error Message - Details

• Message type: E = Error

• Message class: LRM_DC - Data Controller Message Class

• Message number: 001

• Message text: Data controller &1 is being used in rule generator &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LRM_DC001 - Data controller &1 is being used in rule generator &2 ?

  The SAP error message LRM_DC001 indicates that a data controller (DC) is currently in use by a rule generator, which prevents certain operations from being performed on that data controller. This typically occurs in the context of SAP's Logistics or Supply Chain Management modules, where data controllers are used to manage and manipulate data for various processes.
  Cause:
  The error is triggered when:
  
  A data controller (identified as &1 in the error message) is actively being utilized by a rule generator (identified as &2).
  The system does not allow modifications or certain actions on the data controller while it is in use, to maintain data integrity and consistency.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Usage: Determine where the data controller is being used. You can check the rule generator or any other processes that might be utilizing the data controller.
  
  
  Release the Data Controller: If possible, stop or release the rule generator that is using the data controller. This may involve:
  
  Closing any sessions or transactions that are currently using the data controller.
  Ensuring that no other users or processes are accessing it.
  
  
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the data controller. If there are locks, you may need to release them if you have the necessary permissions.
  
  
  Retry the Operation: Once the data controller is no longer in use, retry the operation that triggered the error.
  
  
  Consult Documentation: If the issue persists, refer to SAP documentation or support resources for further guidance specific to your version and configuration.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, providing them with the error message and context.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), SE80 (to view objects), and SE11 (to view data dictionary objects).
  User Permissions: Ensure that you have the necessary permissions to modify or access the data controller and rule generator.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to address the LRM_DC001 error effectively.