Publish or save or delete content will cause the application crash and shut down

[gaojianzhuang]

Describe the bug

Version: orchardcore 2.0.2 DB: SQLite

Orchard Core version

Add the version of the Orchard Core NuGet packages you use, or the commit hash if you can reproduce this with the source code.

To Reproduce

Steps to reproduce the behavior:

1. Go to 'feature' and enable the localization-related features.
2. Go to the "Widgets"
3. Click on 'Footer' and edit
4. Click the "Publish" button and the application will crash and the console will shut down without any log message
5. See error

Expected behavior

A clear and concise description of what you expected to happen.

Logs and screenshots