If you go to Simulation > Model Configuration Parameters, the "Solver" pane should have a sample time setting in there set to 0.1. The error you're getting is because the solver is running at a fixed step size of 0.1 second, but you're trying to go faster with certain blocks in the model.
You can either reduce that to a smaller value that will work, or if you plan to define sample times in blocks, just set it to "auto" and the model will choose a sample time based on the blocks.
Even better, create a MATLAB variable for sample time and use it both in the solver settings and your blocks. That way, you just change that value and everything in the model updates accordingly.
- Sebastian
