How To Fix MDC_MODEL089 - Keeper class must not be empty

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_MODEL - Messages In Context Of MDC Model

• Message number: 089

• Message text: Keeper class must not be empty

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_MODEL089 - Keeper class must not be empty ?

  The SAP error message MDC_MODEL089, which states "Keeper class must not be empty," typically occurs in the context of SAP S/4HANA or SAP Business Technology Platform when working with the Model Driven Configuration (MDC) framework. This error indicates that a required field, specifically the "Keeper class," has not been populated in the relevant configuration or model.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Configuration: The Keeper class, which is essential for the model's functionality, has not been defined or is left blank in the configuration settings.
  Incorrect Model Setup: The model may not have been set up correctly, leading to missing mandatory fields.
  Data Entry Error: There may have been an oversight during data entry, resulting in the Keeper class being unintentionally left empty.
  
  Solution:
  To resolve the MDC_MODEL089 error, you can follow these steps:
  
  
  Check Configuration Settings:
  
  Navigate to the relevant configuration area in your SAP system where the model is defined.
  Ensure that the Keeper class field is populated with the correct value. This may involve selecting a valid class or entering the appropriate identifier.
  
  
  
  Review Model Definition:
  
  Go through the model definition to ensure that all required fields, including the Keeper class, are filled out correctly.
  If you are unsure about what value to enter, refer to the documentation or guidelines provided for the specific model you are working with.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the specific model or configuration you are working on. This can provide insights into what the Keeper class should be and how to set it up correctly.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration to ensure that the error no longer appears and that the model functions as expected.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue on your own, consider reaching out to SAP support or consulting with a colleague who has experience with the MDC framework.
  
  
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Check for any relevant SAP Notes or KBA (Knowledge Base Articles) that might address this specific error or provide additional context.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  Training and Documentation: If you are frequently working with MDC, consider undergoing training or reviewing detailed documentation to better understand the framework and its requirements.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.