[BUG] Web No work on release mode

[natouralDS]

Describe the bug
When I try in debugMode It works perfect, but when i compile to release y got a grey screen and the error message:
"Null check operator used on a null value"

To Reproduce
I compile with diferents commands, but I always get the same error when I launch the code in my server:
flutter build web
flutter build web --web-renderer html --release

Expected behavior
I got this message:
Null check operator used on a null value

Screenshots

Technical Details:

• Device: Mac, iPhone and android
• OS: iOS17.5.1, macOS 14.5 Sonoma
• Version [e.g. 22]

Additional context
Add any other context about the problem here.

[AnithaB05]

I am using flutter web, with youtube_player_iframe: ^5.1.2
flutter doctor screen shot is attached:

I too get "Null check operator used on a null value", on hosting the application.

Any help is highly appreciated.