You could experiment with ode23s but it will probably lead to the same result.
You have a singularity in your equations when calculated from that starting point.
- you might have implemented the equations incorrectly
- the equations might be unstable together
- a different starting point might be necessary
- the equations might not be differentiable. For example you might have "if" in them or linear interpolation
I recommend setting up plotting of the components using the PlotFcn option so that you can get a better idea of how the components are behaving.