Failed to activate observer for behaviour 'Model Target'

[VM_11089984]

I have two Model Targets in Unity. When I press play to test, only one model target starts without problems, but for the other one, I encounter an error. I am using Unity 2022.3.30 and Vuforia 10.22.

[VladimirN]

Same issue - "Exception in callback: Failed to activate observer for behaviour "nomad"": https://stackoverflow.com/questions/76209708/exception-in-callback-failed-to-activate-observer-for-behaviour-nomad 

[vnamboodheri]

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