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错误:'_elements.contains(element)':不是真的

'_elements.contains(element)': is not true.过去两天我在我的颤振项目中看到了这个错误,从一开始就工作得很好。我很抱歉这么说,但我对这个错误一无所知,但我想我错过了导致这个错误的东西。此外,当我热重新加载同一页面时,布局已填充,但会引发异常。

间歇性地,这也显示检测到 Duplicate GlobalKeys(),但一开始并非如此。

如果他们之前偶然发现这些错误,请有人帮助我。我真的不能写一个例子来重现同样的问题。非常感谢。

我已经给出了错误的详细信息如下:

Performing hot reload...
I/flutter (22248): ??? EXCEPTION CAUGHT BY WIDGETS LIBRARY 
????????????????????????????????????????????????????????????
I/flutter (22248): The following assertion was thrown building 
TickerMode(mode: disabled):
I/flutter (22248): 'package:flutter/src/widgets/framework.dart': Failed 
assertion: line 1766 pos 12:
I/flutter (22248): '_elements.contains(element)': is not true.
I/flutter (22248): 
I/flutter (22248): Either the assertion indicates an error in the framework 
itself, or we should provide substantially
I/flutter (22248): more information in this error message to help you 
determine and fix …
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