我做的simiulink 仿真出现这样的错误
Derivative input 1 of ‘Transfer Fcn1' at time 2.715961135846226e-005 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).
是什么原因啊