ANSYS中的分析出现的问题

The value of UX at node 433 is 5.197787077e9.it is greater than the current limit of 1000000.this generally indicates rigid body motion as a result of an unconstrained model.verify that your model is properly constrained。（在节点433用户体验的价值是5.197787077e9.it大于1000000.this电流限制通常表示的刚体运动作为一个结果，一个无约束的model.verify你的模型是正确的约束 ）请问以上问题是怎么回事，如何解决啊？求高手指教，谢谢