I am new to FlexSim.
In the flow if my model the following error occurs when loading the flow item. 
What is the issue?
Also, is there a reliable strategy for debugging? I tried profiletasksequence(gettasksequence(model().find("ASRSvehicle1"),0)) in the Script console but it does not return anything. I attached the relevant except of the model: TrolleyBuffer0.1_261ask.fsm
Thank you in advance
Just follow through the Load Food wagon parameters.
The missing thing in your error message is involved 1 which is the item.
In the Load Food wagon, the item to load is referring to token.vogn which is pointing to a token, not a 3D object. This is caused by the token being pushed here and not the wagon:
You can refer to the TaskType Quick Reference to see the meaning of the task parameters like involved1 and involved2 in each case/
Okay I understand, thank you for the answer.
Do you have recommendations what else I should change? I want to track the 3D objects (vogn) that are in storage by a list. Is it possible to pull the token from a list and refer to the 3D object?
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