How To Fix DMCLG258 - First select access plan, then calculate

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 258

• Message text: First select access plan, then calculate

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG258 - First select access plan, then calculate ?

  The SAP error message DMCLG258, which states "First select access plan, then calculate," typically occurs in the context of data modeling or data management within SAP systems, particularly when working with data flows or data transformations in tools like SAP Data Services or SAP BW (Business Warehouse).
  Cause:
  This error usually arises when a user attempts to execute a calculation or transformation without first selecting or defining an access plan. An access plan is a predefined set of rules or configurations that dictate how data should be accessed and processed. The error indicates that the system requires the user to first specify how the data will be accessed before performing any calculations.
  Solution:
  To resolve this error, follow these steps:
  
  
  Select Access Plan: 
  
  Navigate to the section of the application where you can define or select an access plan. This may involve going to a specific data flow or transformation step.
  Ensure that you have selected the appropriate access plan that corresponds to the data you are working with.
  
  
  
  Check Configuration:
  
  Review the configuration of the access plan to ensure it is set up correctly. This includes checking the data sources, filters, and any other parameters that may affect data access.
  
  
  
  Re-attempt Calculation:
  
  Once the access plan is selected, try to perform the calculation or transformation again. The system should now allow you to proceed without generating the error.
  
  
  
  Consult Documentation:
  
  If you are unsure about how to select or configure an access plan, refer to the official SAP documentation or user guides specific to the tool you are using (e.g., SAP Data Services, SAP BW).
  
  
  
  Seek Help from Support:
  
  If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting the SAP community forums for additional assistance.
  
  
  
  Related Information:
  
  SAP Data Services: This tool is often used for data integration and transformation, and understanding how to work with access plans is crucial for effective data management.
  SAP BW: In the context of SAP BW, access plans are essential for defining how data is retrieved from InfoProviders.
  Error Handling: Familiarize yourself with common error messages and their resolutions in SAP to improve troubleshooting skills.
  
  By following these steps, you should be able to resolve the DMCLG258 error and continue with your data processing tasks in SAP.