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nonlinear static analysis error message - Zero Response

Question asked by Steve Fiacchino on Jul 31, 2011

I am running a nonlinear static analysis and am having difficulty with the first solution step. a warning keeps appearing "Solution step=1-> Zero Response" and then the analysis locks up under the task "solving contact constraints". I have looked for info on that warning and can't find anything. Any help would be greatly appreciated. Thanks.