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

/SAPAPO/PPM_MAINTAIN137 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PPM_MAINTAIN -

• Message number: 137

• Message text: Primary resource not entered

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.

Unfortunately, there isn't any extra information in this error notice.

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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