How To Fix KX312 - Do not generate master data modules until the data structure is active

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 312

• Message text: Do not generate master data modules until the data structure is active

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KX312 - Do not generate master data modules until the data structure is active ?

  The SAP error message KX312, which states "Do not generate master data modules until the data structure is active," typically occurs in the context of SAP Controlling (CO) when working with Profitability Analysis (CO-PA) or similar modules that involve master data structures.
  Cause:
  The error arises when you attempt to generate master data modules (like characteristics or value fields) while the underlying data structure (such as a data model or configuration) is not yet activated. In SAP, certain configurations must be activated before you can proceed with generating related master data. This ensures that the system has a consistent and valid structure to work with.
  Solution:
  To resolve this error, follow these steps:
  
  
  Check Data Structure Activation:
  
  Navigate to the relevant configuration area in SAP (usually under the Controlling module).
  Verify if the data structure you are trying to use is active. This can typically be done in the configuration settings for CO-PA or the specific module you are working with.
  
  
  
  Activate the Data Structure:
  
  If the data structure is not active, you will need to activate it. This usually involves:
  
  Going to the configuration transaction (e.g., KE4I for CO-PA).
  Selecting the relevant data structure.
  Activating it through the provided options.
  
  
  
  
  
  Re-attempt Master Data Generation:
  
  Once the data structure is activated, try generating the master data modules again. The error should no longer occur if the activation was successful.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no other dependencies or prerequisites that need to be fulfilled before activation. Sometimes, other configurations or settings may need to be adjusted.
  
  
  
  Consult Documentation:
  
  If you continue to face issues, refer to SAP documentation or help resources specific to your version of SAP. There may be additional steps or considerations based on your system's configuration.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  KE4I: Activate Data Structure for CO-PA
  KEDR: Display Data Structure
  KEDR: Change Data Structure
  
  
  
  SAP Notes:
  
  Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions based on specific versions or configurations.
  
  
  
  User Roles and Authorizations:
  
  Ensure that you have the necessary authorizations to activate data structures and generate master data. Lack of permissions can sometimes lead to unexpected errors.
  
  
  
  By following these steps, you should be able to resolve the KX312 error and proceed with your work in SAP.