Question: MapleSim 2017 Thermal : How to get around the error "Cannot resolve `Main.Block1.p`; there is no `p` in variable `Main.Block1`"

Dear All

I seldom need support, Maple/MapleSim usually runs OK, but here I'm stuck with MapleSim 2017 I'm modelling some thermal fluid properties and each time I make a sub-system I get two errors:

1) the entries (and exit variables) "rho, Cp, Cv, lambda, and nu" of my models are set to default "1" instead of my expected value the names of my fluid-parameter items. I must rename them by hand to be able to solve my model, why not a link to the fluid parameter node ?

2) I get a pressure p (or is it a "rho"?) issue: "Cannot resolve `Main.Block1.p`; there is no `p` in variable `Main.Block1`" when I create a sub-system I call here Block1 and my model does not solve if I make any "sub-systems", and I cannot find out what to do, is this an initial value issue ? the error message could be more helpful ;)

Any clues how to get around this ?

Thnaks in avance



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