400: Invalid selector
Value not within axis bounds of wght
Roboto:ital,wght@0,0,3000,4001,4000,5000,6001,6000,7001,7000,8001,8000,9000,1001,1000,2001,2000,3001,3000,4001,4000,5001,5000,6001,6000,7001,7000,8001,8000,9001,900 ^
For reference,see the Google Fonts API documentation.