Why am I getting an error about singularities when using an Integer block?

2011 2 4
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更新时间：2019 10 31
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I am getting this error from my integral block for a simulation of a non-linear ODE.
Derivative input 1 of 'untitled/Integrator' at time 4.922053393028846e-007 is Inf or NaN. Stopping simulation. There may be a singularity in the solution. If not, try reducing the step size (either by reducing the fixed step size or by tightening the error tolerances).
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Any solution is welcome.

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