Problem when generating code from DymolaBlock

Hi fellows:

I have a question about the dymola and simulink co-simulation. I tried to simulate a dymola model using the DymolaBlock in simulink. I can compile it using Dymola but, when I simulate it, there is a popup said "There is no corresponding S-Function existing". Then I tried to generate the corresponding code in the block and another popup appears said "There is no definition for the function"toDouble" corresponding to java.awt.dimension". The corresponding message is shown in the pic. Thank you in advanced.

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