Question: What is the problem when in Dynamic systems maplesim cannot match the arguments to an appropriate system??

Hello. I am creating a custom component similar to the one that maplesoft has as an example (the discretized counterflow heat exchanger), but with some diff. The problem is that when i execute dyamic systems i get an error saying:

Error, (in DynamicSystems:-ParseSystemInputs) cannot match the arguments to an appropriate system

Is this a problem on my equation (something that i may have forget) or is another thing? Are the arguments type of dynamic system in the right "type"?

Does anyone can have a look to my worksheet and see if its everything right on what concerns about maple language?

Thanks for everything

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