11:26: Error: No named parameter with the name 'display1' ; 81:9: Context: Found this candidate, but the arguments don't match.

[sandeepnarula999]

lib/theme/theme.dart:11:26: Error: No named parameter with the name 'display1'.
textTheme: TextTheme(display1: TextStyle(color: LightColor.black)),
^^^^^^^^
/C:/src/flutter/flutter/packages/flutter/lib/src/material/text_theme.dart:81:9: Context: Found this candidate, but the arguments don't match.
const TextTheme({
^^^^^^^^^
lib/theme/theme.dart:16:7: Error: No named parameter with the name 'body1'.
body1: TextStyle(color:LightColor.titleTextColor)
^^^^^
/C:/src/flutter/flutter/packages/flutter/lib/src/material/text_theme.dart:81:9: Context: Found this candidate, but the arguments don't match.
const TextTheme({
^^^^^^^^^