How To Fix /SAPAPO/DMRES186 - Campaign-relevant resources must not be secondary resources

/SAPAPO/DMRES186 - Overview

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 186

• Message text: Campaign-relevant resources must not be secondary resources

Self-Explanatory Message

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/SAPAPO/DMRES186 - Details

• The SAP error message /SAPAPO/DMRES186 indicates that there is an issue with the configuration of resources in the Advanced Planning and Optimization (APO) module, specifically related to campaign planning. The error message states that "Campaign-relevant resources must not be secondary resources." 
  
  Cause:
  This error typically arises when you are trying to assign a secondary resource (such as a resource that is not the primary resource for production) to a campaign. In SAP APO, campaign planning is designed to optimize the use of primary resources, and secondary resources are not suitable for this purpose. 
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Resource Configuration:
  
  Go to the resource master data in SAP APO and verify the configuration of the resources you are using for the campaign.
  Ensure that the resources assigned to the campaign are primary resources and not secondary resources.
  
  
  
  Modify Campaign Settings:
  
  If you have mistakenly assigned a secondary resource to a