taro-playground error

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LOG Running "taroDemo" with {"rootTag":11} ERROR Invariant Violation: "taroDemo" has not been registered. This can happen if:

• Metro (the local dev server) is run from the wrong folder. Check if Metro is running, stop it and restart it in the current project.
• A module failed to load due to an error and AppRegistry.registerComponent wasn't called., js engine: hermes

PS D:\code\myApp> yarn dev:rn --qr yarn run v1.22.21 $ npm run build:rn -- --watch --qr --qr

myApp@1.0.0 build:rn taro build --type rn --watch --qr --qr

👽 Taro v3.6.21

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