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: Error: Method 'save' cannot be called on 'FormBuilderState?' because it is potentially null.

Healthy Hummingbird answered on January 11, 2023 Popularity 1/10 Helpfulness 8/10

answer : Error: Method 'save' cannot be called on 'FormBuilderState?' because it is potentially null.

: Error: Method 'save' cannot be called on 'FormBuilderState?' because it is potentially null.

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This is due to Dart's flow analysis.

Your formKey is an instance variable and thus it cannot be detected by flow analysis that it is definitely not null even after your if check.

Use it like this instead formKey.currentState!.save();

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Contributed on Jan 11 2023

Healthy Hummingbird

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: Error: Method 'save' cannot be called on 'FormBuilderState?' because it is potentially null.

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