Simulink 仿真时出现下面的错误是什么意思啊， 怎么解决？

xiannvjiejie

1.The diagram must contain a powergui block. The block must be named powergui and should be located at the highest level of your diagram where SimPowerSystems blocks are found.
' n$ s0 U# {9 V2 x2.Error in 'untitled/AC ': Initialization commands cannot be evaluated.

qq666888qqw

添加powergui模块就可以了