Please read [Potential dupe] Error: The PlatformIO task detection didn't contribute a task and try the suggested steps:
- Close VS-Code
- Delete the
.pio
folder in your project - Delete the
.vscode
folder in your project - Restart VS-Code
If the error still occurs:
- Close VS-Code
- Delete
C:\Users\<user>\.platformio
folder - Restart VS-Code
- Wait until PlatformIO reinstallation is finished