How To Fix /SAPAPO/DMRES231 - Resource & is not used in the PPM as a primary or calendar resource

/SAPAPO/DMRES231 - Overview

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 231

• Message text: Resource & is not used in the PPM as a primary or calendar resource

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/DMRES231 - Resource & is not used in the PPM as a primary or calendar resource ?

  The SAP error message /SAPAPO/DMRES231 indicates that a specific resource is not being utilized as a primary or calendar resource in the Production Planning and Detailed Scheduling (PP/DS) module of SAP Advanced Planning and Optimization (APO). This error typically arises when you are trying to perform an operation that requires a resource, but the specified resource is not assigned correctly in the relevant planning object, such as a Production Planning Model (PPM).
  
  Cause:
  
  Resource Assignment: The resource in question is not assigned as a primary resource or calendar resource in the PPM.
  Incorrect Configuration: The resource may not be configured correctly in the system, or it may not be linked to the relevant production process.
  Resource Status: The resource might be inactive or not available for the planning period.
  Data Inconsistency: There could be inconsistencies in the master data or planning data that prevent the resource from being recognized.
  
  
  Solution:
  
  
  Check Resource Assignment:
  
  Go to the PPM in