Visual Basic compiler is unable to recover from the following error: <error>
The Visual Basic compiler is unable to recover from the following error: <error>.
Some IDE features have been disabled.
An internal error has occurred in the Visual Basic compiler.
Error ID: BC31021
To correct this error
Save your work and restart Visual Studio.
If the error recurs, reinstall Visual Studio.
If the error persists after reinstallation, notify Microsoft Product Support Services.