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

DMCLG258 - Overview

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 258

• Message text: First select access plan, then calculate

Self-Explanatory Message

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DMCLG258 - Details

• 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