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Corrector failed to converge

Corrector failed to converge

I have a model with 2900 equations.  It runs for a little while, but then I get this:
stdout | warning | <p>The corrector could not converge.</p>
stdout | warning | <p>can't continue. time = 7.149656</p>
stdout | info | <p>model terminate | Integrator failed. | Simulation terminated at time 7.14966</p>

I am using the default, dassl integrator.  Is there any way to find out more about what is causing the problem?  Is there a particular equation etc?
This  error message is not very specific, so debugging is difficult.
I also tried to enable "DASSL Solver Information" but that just triggered an error message:
assert | debug | <p>unrecognized option -lv LOG_DDASRT,LOG_STATS</p>
So, there is likely a bug in OMEdit where it is not passing the correct logging flags.

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