仿真时报错Mesh generation has failed...怎么办？

    [error] Mesh generation has failed. Specific details may be found in Modeler>Model Analysis>Show Analysis Dialog>Last Simulation Mesh. (6:22 PM  May 12, 2011)
    [error] Simulation completed with execution error on server: Local Machine. (6:22 PM  May 12, 2011)

按照那路径找到写的如下图所示：

这错误如何解决啊！谢谢！