Try the code bellow.
No size adjustment for the error text, only the field border in red.
TextFormField(
decoration: InputDecoration(
errorStyle: TextStyle(height: 0),
),
);
Try the code bellow.
No size adjustment for the error text, only the field border in red.
TextFormField(
decoration: InputDecoration(
errorStyle: TextStyle(height: 0),
),
);