How To Fix /SAPAPO/CDPSOPT305 - Mode &1 of activity &2 has no primary resource

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSOPT -

• Message number: 305

• Message text: Mode &1 of activity &2 has no primary resource

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 /SAPAPO/CDPSOPT305 - Mode &1 of activity &2 has no primary resource ?

  The SAP error message /SAPAPO/CDPSOPT305 indicates that a specific mode of an activity does not have a primary resource assigned to it. This error typically occurs in the context of Advanced Planning and Optimization (APO) when trying to perform planning activities that require resource allocation.
  Cause:
  
  Missing Primary Resource: The mode of the activity specified in the error message does not have a primary resource defined. This can happen if the resource configuration is incomplete or if the resource was deleted or not properly assigned.
  Incorrect Activity Configuration: The activity may not be set up correctly in the system, leading to the absence of a primary resource.
  Planning Version Issues: The planning version being used may not have the necessary resource assignments or configurations.
  
  Solution:
  
  
  Check Resource Assignment:
  
  Go to the resource master data in the SAP APO system.
  Verify that the mode of the activity has a primary resource assigned. If not, assign a primary resource to the mode.
  
  
  
  Review Activity Configuration:
  
  Navigate to the activity configuration in the APO system.
  Ensure that the activity is correctly set up and that all required modes have the necessary resources assigned.
  
  
  
  Update Planning Version:
  
  If you are using a specific planning version, check if the version has the correct resource assignments.
  If necessary, update the planning version to include the required resources.
  
  
  
  Check for Deletions:
  
  Ensure that the resource has not been deleted or made inactive. If it has, you may need to reactivate it or create a new resource.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on configuring resources and activities in APO.
  
  
  
  Testing:
  
  After making the necessary changes, re-run the planning process to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/RRP3 (Product View) or /SAPAPO/RES01 (Resource Overview) to check resource assignments and configurations.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles: Ensure that you have the necessary authorizations to make changes to resource and activity configurations.
  
  By following these steps, you should be able to resolve the error message /SAPAPO/CDPSOPT305 and ensure that your planning activities can proceed without issues.