SAP Message 40071 - &2 resources selected for operation &1. Proposal: &3

Diagnosis
You want to plan or release operation &V1&.

System Response
The current resource of this operation is not allowed.
The system has selected &V2& allowed resources. Using function'Resource selection' to select as resource. The first resource
contained in the list is resource &V3&.

Procedure
Change the resource in operation &V1&.