How To Fix /SAPAPO/PPM_MAINTAIN520 - Setup act. &1 &2 contains a prim. res. (mode &3) not equal to type SINGLE

/SAPAPO/PPM_MAINTAIN520 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PPM_MAINTAIN -

• Message number: 520

• Message text: Setup act. &1 &2 contains a prim. res. (mode &3) not equal to type SINGLE

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PPM_MAINTAIN520 - Setup act. &1 &2 contains a prim. res. (mode &3) not equal to type SINGLE ?

  The SAP error message /SAPAPO/PPM_MAINTAIN520 typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with the setup activities in production planning. This error indicates that there is a primary resource (mode) associated with a setup activity that is not of type "SINGLE." 
  
  Cause:
  
  Resource Configuration: The primary resource defined for the setup activity is configured in a way that does not match the expected type. In this case, the system expects a resource of type "SINGLE," but it has found a resource of a different type (e.g., "MULTI" or "GROUP").
  Setup Activity Definition: The setup activity may have been defined incorrectly, leading to a mismatch between the resource type and the expected configuration.
  Planning Object Structure: The planning object structure may not be aligned with the resource definitions, causing inconsistencies.
  
  
  Solution:
  
  Check Resource Type: Verify the configuration of the primary resource (mode) associated with the setup activity. Ensure that