Xcos closes when I simulate my block

[sjLnyr]

Hello, if you may, I need help with this. Every time I run my simulation the XCos closes. I just wanna ask what the problem of my block arrangement.

ece107-finalPrjct-test.zcos (6.0 KB)

[sjLnyr]

Basically, what I want to achieve is a PWM Demodulation. Im trying to trigger the sawtooth to produce a ramp signal just like the image below.

PWM Modulation and Demodulation

[mottelet]

Please precise what version of Scilab you are using and the operating system. On my computer with scilab 2023.1.0 your diagram runs fine with the following output: