“CascadePackage”包未正确加载
Chr*_*ani 55 visual-studio-2019
我刚刚对 VS2019(16.9.0) 进行了更新，现在我收到了这条消息。（实际上在两台机器上）。重新启动不能解决问题。
什么是 CascadePackage？我No可以对着对话框说就可以了吗？
另外......它提到要检查的文件......不再存在，也不存在它所在的目录。
我确实在最新的 ActivityLog.xml 中找到了这一行
<entry>
<record>894</record>
<time>2021/03/05 13:52:21.259</time>
<type>Error</type>
<source>VisualStudio</source>
<description>SetSite failed for package [CascadePackage]Source: 'System.ComponentModel.Composition' Description: The composition produced multiple composition errors, with 3 root causes. The root causes are provided below. Review the CompositionException.Errors property for more detailed information.

1) No exports were found that match the constraint: 
	ContractName	Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler
	RequiredTypeIdentity	Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler

Resulting in: Cannot set import 'Microsoft.VisualStudio.Cascade.CascadePackage.JoinWorkspaceCommandHandler (ContractName="Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler")' on part 'Microsoft.VisualStudio.Cascade.CascadePackage'.
Element: Microsoft.VisualStudio.Cascade.CascadePackage.JoinWorkspaceCommandHandler (ContractName="Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler") --> Microsoft.VisualStudio.Cascade.CascadePackage

2) No exports were found that match the constraint: 
	ContractName	Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler
	RequiredTypeIdentity	Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler

Resulting in: Cannot set import 'Microsoft.VisualStudio.Cascade.CascadePackage.ShareWorkspaceCommandHandler (ContractName="Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler")' on part 'Microsoft.VisualStudio.Cascade.CascadePackage'.
Element: Microsoft.VisualStudio.Cascade.CascadePackage.ShareWorkspaceCommandHandler (ContractName="Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler") --> Microsoft.VisualStudio.Cascade.CascadePackage

3) No exports were found that match the constraint: 
	ContractName	Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService
	RequiredTypeIdentity	Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService

Resulting in: Cannot set import 'Microsoft.VisualStudio.Cascade.CascadePackage.ClientService (ContractName="Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService")' on part 'Microsoft.VisualStudio.Cascade.CascadePackage'.
Element: Microsoft.VisualStudio.Cascade.CascadePackage.ClientService (ContractName="Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService") --> Microsoft.VisualStudio.Cascade.CascadePackage

</description>
<guid>{D86E17D6-7FC7-47F4-9259-21748EDFF93B}</guid>
<hr>80131500</hr>
<errorinfo></errorinfo>
</entry>
Chr*_*ani 68
似乎这是由 LiveShare 引起的。来自Visual Studio 开发者社区
只需搜索
“CascadePackage”包未正确加载
至于我的两个问题：
在一台机器上……通过启动 VisualStudio 错误消失了。
在另一台机器上，我进入工具->获取工具和功能...
单击Individual components搜索实时共享。取消选中它。重启VS。返回到工具-> 获取工具和功能...
单击Individual components搜索 Live Share。回去检查一下。
有关 ActivityLog 的更多信息...
Visual Studio 使用/log更新选项。这将创建 ActivityLog.xml。
更多在这里/Log (devenv.exe)这是你也可以自己做的事情。
ActivityLog.xml 的描述部分将列出问题所在。这是 OP 中原始消息的编辑细分。
<entry>
<record>894</record>
<time>2021/03/05 13:52:21.259</time>
<type>Error</type>
<source>VisualStudio</source>
<description>SetSite failed for package [CascadePackage]Source: 'System.ComponentModel.Composition'
Description: The composition produced multiple composition errors, with 3 root causes.
The root causes are provided below.
Review the CompositionException.Errors property for more detailed information.


1) No exports were found that match the constraint: 
	
ContractName	Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler
	
RequiredTypeIdentity	Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler


Resulting in: Cannot set import '
Microsoft.VisualStudio.Cascade.CascadePackage.JoinWorkspaceCommandHandler (ContractName="
Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler")' on part '
Microsoft.VisualStudio.Cascade.CascadePackage'.

Element: Microsoft.VisualStudio.Cascade.CascadePackage.JoinWorkspaceCommandHandler (ContractName="
Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler") -->
Microsoft.VisualStudio.Cascade.CascadePackage


2) No exports were found that match the constraint: 
	
ContractName	Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler
	
RequiredTypeIdentity	
Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler


Resulting in: Cannot set import '
Microsoft.VisualStudio.Cascade.CascadePackage.ShareWorkspaceCommandHandler (ContractName="
Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler")' on part '
Microsoft.VisualStudio.Cascade.CascadePackage'.

Element: Microsoft.VisualStudio.Cascade.CascadePackage.ShareWorkspaceCommandHandler (ContractName="
Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler") -->
Microsoft.VisualStudio.Cascade.CascadePackage


3) No exports were found that match the constraint: 
	ContractName	
Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService
	RequiredTypeIdentity	
Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService


Resulting in: Cannot set import '
Microsoft.VisualStudio.Cascade.CascadePackage.ClientService (ContractName="
Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService")' on part '
Microsoft.VisualStudio.Cascade.CascadePackage'.

Element: Microsoft.VisualStudio.Cascade.CascadePackage.ClientService (ContractName="
Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService") -->
Microsoft.VisualStudio.Cascade.CascadePackage


</description>
<guid>{D86E17D6-7FC7-47F4-9259-21748EDFF93B}</guid>
<hr>80131500</hr>
<errorinfo></errorinfo>
</entry>
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