Assertion failed: file:///Users/folder/.pub-cache/hosted/pub.dev/glass_kit-3.0.0/lib/src/glass_container.dart:73:16
kIsWeb != true I| borderColor != null
"borderColor cannot be null when runing on the Web\n"
See also: https://flutter.dev/docs/testing/errors
As the assertion says, borderColor is needed when building for web. This is because CustomPaint doesn't work properly on web to paint the border gradient.
Assertion failed: file:///Users/folder/.pub-cache/hosted/pub.dev/glass_kit-3.0.0/lib/src/glass_container.dart:73:16 kIsWeb != true I| borderColor != null "borderColor cannot be null when runing on the Web\n" See also: https://flutter.dev/docs/testing/errors