How To Fix MDS_CTRL_CONTROLLER004 - No extractor class specified in Customizing for object type '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: MDS_CTRL_CONTROLLER - Controller-Defined Message Class

• Message number: 004

• Message text: No extractor class specified in Customizing for object type '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDS_CTRL_CONTROLLER004 - No extractor class specified in Customizing for object type '&1' ?

  The SAP error message MDS_CTRL_CONTROLLER004 indicates that there is no extractor class specified in the Customizing settings for a specific object type in the Master Data Services (MDS) environment. This error typically arises when the system is trying to execute a data extraction or replication process, but it cannot find the necessary configuration to perform the operation.
  Cause:
  
  Missing Configuration: The extractor class for the specified object type has not been defined in the Customizing settings.
  Incorrect Object Type: The object type being referenced may not be correctly set up or may not exist in the system.
  Transport Issues: If the configuration was recently transported from another system, it may not have been properly imported or activated.
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Check Customizing Settings:
  
  Go to the Customizing transaction (SPRO).
  Navigate to the relevant section for Master Data Services.
  Look for the configuration related to the object type mentioned in the error message.
  Ensure that an extractor class is specified for the object type.
  
  
  
  Define Extractor Class:
  
  If no extractor class is defined, you will need to create one.
  This typically involves implementing a class that extends the relevant extractor interface and provides the necessary methods for data extraction.
  
  
  
  Verify Object Type:
  
  Ensure that the object type you are working with is correctly defined and active in the system.
  Check if there are any dependencies or prerequisites that need to be fulfilled for the object type.
  
  
  
  Transport Check:
  
  If the configuration was transported, check the transport logs for any errors.
  Ensure that all necessary objects were included in the transport request and that they were successfully imported into the target system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to Master Data Services for any specific instructions or additional troubleshooting steps.
  
  
  
  Testing:
  
  After making the necessary changes, test the extraction process again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to check or create classes.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or solutions for this specific error.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the issue related to the MDS_CTRL_CONTROLLER004 error message.