Botframework-composer: [Electron] Unable to connect to bot with generic error

[vishwacsena]

Describe the bug

Electron app for Mac. Create a bot from scratch (or use any sample), add a welcome message, hit start bot, connect to it in emulator.

Unable to talk to bot with a generic No generator found for language message in Emulator. No additional issues observed in Electron dev tools console or network tab.

Version

Application SHA
test
SDK runtime packages
4.7.0-preview-191208-1
Getting Help

Browser

Electron app

OS

MacOS Catalina 10.15.4

To Reproduce

1. Install mac os electron app from releases.
2. Create a new bot from scratch (or open any sample)
3. Add a welcome message (if creating an app from scratch)
4. Start bot
5. Open in emulator.

Expected behavior

Able to talk to bot in emulator.

Screenshots

Additional information

• For bots with LU content, I can verify that clicking on start bot actually publishes the LUIS applications

[vishwacsena]

Verify/ ensure that emulator has locale set.

[cwhitten]

Emulator issue created to default to this value: https://github.com/microsoft/BotFramework-Emulator/issues/2122