请教下 0 execute script fail 是什么错误

0 execute script fail

  at k0ChjLPI6oiImdSl1Qx.LNAehpPM7hbPSXD19Tj.gETPiXqmJL(String  , Object args) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\UIAutomation\Web\ChromiumConnection.cs:line 67

  at k0ChjLPI6oiImdSl1Qx.LNAehpPM7hbPSXD19Tj.RbVP5vtdQy[QEeAw9PdX7gZPW5hed9](String  , Object args) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\UIAutomation\Web\ChromiumConnection.cs:line 41

  at aCI6tsiGXEnkdefaspw.KxSigxiJ3KWPILsQfjS.uUKi1UHZPW() in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\UIAutomation\Web\ChromiumBrowserBase.cs:line 131

  at ShadowBot.UIAutomation.Provider.Service.Web.Chromium.ChromiumBrowserService.GetText(String productName, Int32 browserId) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Service\Web\Chromium\ChromiumBrowserService.cs:line 83

  at lambda_method145(Closure , k8qxV1b4PpcJXP7kDXp , Object[] )

  at sRHMsUbjx64dIDAgAYf.dG3WUNbq4Gx7QhRR58n.WKab68LKMw(k8qxV1b4PpcJXP7kDXp  , MLE4EeqSYAMVAZrosaQ  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCActionInvoker.cs:line 63

  at SFTVKDbZuhy6rNZnKHe.gCq9PNbcOVEObh5k8uQ.ArvbQtVtAf(k8qxV1b4PpcJXP7kDXp  , e0LoPRqoTuxhdkArK9g  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCActionInfo.cs:line 34

  at CQg1QsjLpob751TTBib.K6IQ1Sj4JOcgUbuCwAC.t6Mje6psNF(e0LoPRqoTuxhdkArK9g  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCServiceInfo.cs:line 52

报错行代码 是 IF 页面对象中 包含 work, 则 ... 否则 ... (IF 条件模块)

实在不晓得是什么原因, 这是一个循环脚本, 不是每一次都会报错, 比如正常运行2小时(约400多次)后出错, 每次出错的时间不固定