FlexSim十大入门案例模型 | 模型9

你好，我按照帖子上的步骤操作，为什么会出现错误ne？
显示错误代码如下
time: 0.000000 exception: FlexScript exception: Label property Type retrieved on /合成器1/Product. Label does not exist. at MODEL:/合成器1>variables/entrytrigger
time: 10.000000 exception: FlexScript exception: Label property Type retrieved on /合成器1/Product. Label does not exist. at MODEL:/合成器1>variables/entrytrigger
time: 20.000000 exception: FlexScript exception: Label property Type retrieved on /合成器1/Product. Label does not exist. at MODEL:/合成器1>variables/entrytrigger
time: 30.000000 exception: FlexScript exception: Label property Type retrieved on /合成器1/Product. Label does not exist. at MODEL:/合成器1>variables/entrytrigger
time: 40.000000 exception: FlexScript exception: Label property Type retrieved on /合成器1/Product. Label does not exist. at MODEL:/合成器1>variables/entrytrigger