How To Fix /SAPAPO/PROD309 - In operation &1 - &2 mode &3: Main resource not maintained as resource.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PROD -

• Message number: 309

• Message text: In operation &1 - &2 mode &3: Main resource not maintained as resource.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PROD309 - In operation &1 - &2 mode &3: Main resource not maintained as resource. ?

  The SAP error message /SAPAPO/PROD309 typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the resource configuration in the production planning process. This error indicates that a main resource has not been maintained for a specific operation in a production process.
  Cause:
  The error message /SAPAPO/PROD309 is triggered when:
  
  A production order or a planned order is being processed, and the system cannot find a main resource assigned to the operation.
  The resource that is supposed to be used for the operation is either not defined in the system or not properly assigned to the operation in the production process.
  The resource may not be activated or may not have the necessary settings to be used in the planning run.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Resource Configuration:
  
  Go to the resource master data in SAP APO and ensure that the resource is correctly defined.
  Verify that the resource is active and has the necessary settings for the operation.
  
  
  
  Assign Main Resource:
  
  Open the relevant production order or planned order in the system.
  Navigate to the operation details and check if a main resource is assigned.
  If not, assign the appropriate main resource to the operation.
  
  
  
  Review Production Version:
  
  Ensure that the production version used for the order has the correct resource assigned.
  If necessary, create or modify the production version to include the main resource.
  
  
  
  Check Planning Settings:
  
  Review the planning settings in the APO system to ensure that the resource is included in the planning run.
  Make sure that the resource is part of the relevant planning area.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on resource management in APO.
  
  
  
  Testing:
  
  After making the necessary changes, re-run the planning or production order process to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/RES01 (Resource Master) or /SAPAPO/ORDR (Order Management) to access and modify resource settings.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  User Roles: Ensure that you have the necessary authorizations to make changes to resource configurations and production orders.
  
  By following these steps, you should be able to resolve the /SAPAPO/PROD309 error and ensure that your production planning processes run smoothly.