How To Fix /SAPAPO/PPM_MAINTAIN137 - Primary resource not entered

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PPM_MAINTAIN -

• Message number: 137

• Message text: Primary resource not entered

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PPM_MAINTAIN137 - Primary resource not entered ?

  The SAP error message /SAPAPO/PPM_MAINTAIN137 indicating "Primary resource not entered" typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when working with Production Planning and Detailed Scheduling (PP/DS) or similar modules. This error suggests that a primary resource has not been specified for a particular planning object, such as a production order or a planned order.
  Cause:
  
  Missing Resource Assignment: The primary resource required for the operation or activity has not been assigned in the planning object.
  Incorrect Master Data: The master data for the product or resource may not be correctly maintained, leading to the absence of a primary resource.
  Configuration Issues: There may be configuration issues in the APO system that prevent the assignment of resources.
  Planning Object Settings: The settings for the planning object may not include a primary resource, or the resource may not be available for the specific planning scenario.
  
  Solution:
  
  
  Check Resource Assignment:
  
  Navigate to the relevant planning object (e.g., production order, planned order).
  Ensure that a primary resource is assigned. This can typically be done in the order details or planning view.
  
  
  
  Maintain Master Data:
  
  Go to the master data for the product and ensure that the primary resource is defined.
  Check the resource master data to ensure it is correctly set up and available for use.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the APO system to ensure that resources are correctly defined and available for planning.
  Ensure that the planning strategy and other relevant settings are correctly configured to allow for resource assignment.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like /SAPAPO/PPM to access the Production Planning and Maintenance screen and verify the settings.
  Use /SAPAPO/RES to check resource availability and settings.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on resource assignment and planning object settings.
  
  
  
  Testing:
  
  After making changes, test the planning scenario again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Engage with SAP community forums or user groups for insights from other users who may have encountered similar issues.
  Training: Consider training or workshops on SAP APO to better understand resource planning and management.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.