Pubspec.yaml has no lower-bound sdk constraint. you should edit pubspec.yaml to contain an sdk constraint: environment: sdk: ‘^3.0.0’

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pubspec.yaml has no lower-bound sdk constraint. you should edit pubspec.yaml to contain an sdk constraint:
environment:
sdk: '^3.0.0'

</pre>

Explanation:

To add an SDK constraint in the pubspec.yaml file, you need to specify the version of the Flutter SDK that your project requires. The SDK constraint ensures that your project is compatible with a specific version of the SDK.

The syntax for adding an SDK constraint in the pubspec.yaml file is as follows:

environment:
sdk: 'constraint'

In the provided example, the ‘constraint’ is specified as ‘^3.0.0’. The caret symbol (^) indicates a flexible dependency that allows any version of the SDK above ‘3.0.0’ but below the next major version.

By adding this SDK constraint, you ensure that your project will work with newer versions of the Flutter SDK that are backward compatible with the specified version.

Remember to replace the content within the single quotes with the appropriate version constraint that suits your project’s requirements.

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