How To Fix /SAPAPO/A1020 - Resource &2 still exists for location &1

/SAPAPO/A1020 - Overview

• Message type: E = Error

• Message class: /SAPAPO/A1 -

• Message number: 020

• Message text: Resource &2 still exists for location &1

Self-Explanatory Message

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/SAPAPO/A1020 - Details

• The SAP error message /SAPAPO/A1020 Resource &2 still exists for location &1 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you are trying to delete a resource that is still associated with a location. This can happen during activities such as data cleanup or restructuring in the APO system.
  
  Cause:
  The error indicates that the resource you are trying to delete (denoted by &2) is still linked to the specified location (denoted by &1). In SAP APO, resources can be assigned to locations for planning purposes, and if there are existing assignments, the system will not allow you to delete the resource until those associations are removed.
  
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Check Resource Assignments:
  
  Go to the relevant transaction in SAP APO (e.g., /SAPAPO/RES01 for resource maintenance).
  Check the resource (&2) to see where it is assigned, particularly to the location (&1).
  
  
  
  Remove Assignments:
  
  If the resource