How to solve The current Dart SDK version is 2.19.3 | requires SDK version =2.19.6 3.0.0 version

Resolving dart sdk error.
resolving Error of dart sdk .
The current Dart SDK version is 2.19.3.
Because api depends on modal_progress_hud_nsn =0.4.0 which requires SDK version =2.19.6 3.0.0, version solving failed.
pub get failed
command: "D:\Development\Sdks\flutter\bin\cache\dart-sdk\bin\dart __deprecated_pub --directory . get --example"
pub env: {
"FLUTTER_ROOT": "D:\Development\Sdks\flutter",
"PUB_ENVIRONMENT": "flutter_cli:get",
"PUB_CACHE": "C:\Users\Lenovo\AppData\Local\Pub\Cache",
}
#flutter #sdkerror #goodknowledge

[MHAzad-ntsc]

Thank you so much bro you are doing good job
You solved my problem in just a sec once again thank you ❤

[kiu]

Thanks bro you are a great Developer ❤

[mddanishansari]

Thank you so much Bhai for solving problems through this video

[alhasan]

How do I solve this problem
The current Dart SDK version is 3.0.5.

Because quizzle depends on blurhash_flutter any which doesn't support null safety, version solving failed.

The lower bound of "sdk: '>=2.1.0 <3.0.0'" must be 2.12.0 or higher to enable null safety.
For details, see

[kamalkkvelly]

thanks but i have this errore
The current Dart SDK version is 3.1.4.( new 3.18.8)

The lower bound of "sdk: '>=2.7.0 <3.0.0'" must be 2.12.0 or higher to enable null safety.
flutter_locales >=0.0.1+1 <2.0.0 which doesn't support null safety, version solving failed.


any suggetion please