网页循环之前一直运行正常，今天循环到第二条就报错

1、循环点修改，确定后自动跳转回当前页面。  跳转回后修改字体不变。

2、之前编写的流程，已经用了几个月了一直都没有问题，今天突然报错了。

3、报错是，下标值超过最大下标，之前一直就是这个循环的命令。用过倒序执行循环，方法无效

下面是报错代码   更换电脑，更换浏览器后问题依旧。

感谢大佬给看看

  at BBZG5qaO6fSWVNADJYi.iInHCgagaAUlLGpODcu.jKRaUxJJDW(String  , Object args) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\UIAutomation\Web\ChromiumConnection.cs:line 100

  at BBZG5qaO6fSWVNADJYi.iInHCgagaAUlLGpODcu.cMQa9pEC6o[tfObXra8pfbXumIZlgO](String  , Object args) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\UIAutomation\Web\ChromiumConnection.cs:line 41

  at LVhvmbakiQ0I7p3C0ws.e4IdXHaT9Um6AWdY0Wf.l1QaFD1G0S() in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\UIAutomation\Web\ChromiumElementBase.cs:line 222

  at ShadowBot.UIAutomation.Provider.Service.Web.Chromium.ChromiumElementService.GetText(String productName, Int32 browserId, String elementId) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Service\Web\Chromium\ChromiumElementService.cs:line 188

  at lambda_method97(Closure , qh9VPWQMcD3OV5oBFwf , Object[] )

  at U84MQjQcRijy65ir3Rf.nVhsBkQKaU1kuJPAAAo.lR1QusxuNs(qh9VPWQMcD3OV5oBFwf  , HP9p0eKlPsGkirxrKXT  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCActionInvoker.cs:line 63

  at T2snQTQ2NfWCwYty91p.kGMRwOQ5qSooD2DKR4K.V69QtrwCUb(qh9VPWQMcD3OV5oBFwf  , yxI7S6KEusZJ3QflcvX  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCActionInfo.cs:line 34

  at Hg4hIBc4GrowmNnwES7.sGVpA8cMSp71fKkVXOd.QkucJWxYMf(yxI7S6KEusZJ3QflcvX  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCServiceInfo.cs:line 52

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

 File "C:\Program Files\ShadowBot\shadowbot-5.13.33\python\lib\runpy.py", line 193, in _run_module_as_main

   "__main__", mod_spec)

 File "C:\Program Files\ShadowBot\shadowbot-5.13.33\python\lib\runpy.py", line 85, in _run_code

   exec(code, run_globals)

 File "C:\Program Files\ShadowBot\shadowbot-5.13.33\python\lib\site-packages\xbot_interpreter.py", line 94, in <module>

   main()

 File "C:\Program Files\ShadowBot\shadowbot-5.13.33\python\lib\site-packages\xbot_interpreter.py", line 55, in main

   mod.main(args)

 File "C:\Users\Administrator\AppData\Local\ShadowBot\users\95745546726588417\apps\3fc0d465-3808-4c88-81a0-08c9544a0dab\xbot_robot\main.py", line 21, in main

   for web_loop_循环 in xbot_visual.web.element.iter_all_elements(browser=web_page1844556244, selector=package.selector("修改16_相似元素组"), operation="element", absolute_url=False, attribute_name=None, timeout="20", loop_start_index="0", loop_end_index="-1", output_with_index=False, _block=("main", 4, "循环相似元素(web)")):

 File "<string>", line 503, in iter_all_elements

ValueError: 下标值超过最大下标