Because flutterbuyandsell depends on flutter_localizations any from sdk which depends on intl 0.17.0, intl 0.17.0 is required.
So, because flutterbuyandsell depends on intl 0.16.1, version solving failed.
pub get failed (1; So, because flutterbuyandsell depends on intl 0.16.1, version solving failed.)
Process finished with exit code 1
ne yaptıysam tutturamadım yardımcı olandan Allah razı olsun