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I am using NDSolve to compute particles' trajectories. Typically, I get an error of the type:

NDSolve::ndsz: At t == 0.11880535502829011`, step size is effectively zero; singularity or stiff system suspected.

What I would like is not to get rid of the error, but to save the time at which the simulation encountered a problem, in this case t = 0.11880535502829011`.

How can I do it in an authomatic way?

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    $\begingroup$ If U=NDSolveValue[... ] you get the time value with U["Domain"]. Please provide your code. $\endgroup$ Commented Jun 14, 2022 at 11:06

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