How To Fix /SAPAPO/CDPSOPT042 - No masterdata selection name has been specified. Switching to automatic.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSOPT -

• Message number: 042

• Message text: No masterdata selection name has been specified. Switching to automatic.

Self-Explanatory Message

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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 /SAPAPO/CDPSOPT042 - No masterdata selection name has been specified. Switching to automatic. ?

  The SAP error message /SAPAPO/CDPSOPT042 No masterdata selection name has been specified. Switching to automatic. typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with demand planning or supply network planning.
  Cause:
  This error indicates that the system expected a specific master data selection name to be provided for a planning run, but none was specified. This can happen due to:
  
  Missing Configuration: The planning run configuration may not have a master data selection name defined.
  User Input Error: The user may have forgotten to enter a master data selection name in the planning run parameters.
  System Defaults: The system is set to switch to automatic mode when no specific selection is provided, which may not be the desired behavior.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Planning Run Parameters:
  
  Go to the transaction where you are executing the planning run (e.g., /SAPAPO/DP for demand planning).
  Ensure that you have specified a valid master data selection name in the planning run parameters.
  
  
  
  Define Master Data Selection:
  
  If you do not have a master data selection defined, you can create one. This can typically be done in the configuration settings of the APO system.
  Navigate to the relevant configuration area (e.g., /SAPAPO/MC for master data) and define a new master data selection.
  
  
  
  Review Automatic Settings:
  
  If you prefer to use automatic settings, ensure that the system is configured correctly to handle automatic selections without errors.
  Check the settings in the planning book or the planning area to ensure that they are set up to allow for automatic processing.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to the specific planning area you are working with to understand the requirements for master data selection.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and requirements.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/DP, /SAPAPO/MC, and others related to planning and master data management.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  Training and Documentation: Consider training resources or documentation on SAP APO to better understand how master data selections work and how to configure them properly.
  
  By following these steps, you should be able to resolve the error and ensure that your planning runs execute as expected.