Missing parameter type for 'error'. Try adding an explicit type like 'dynamic', or enable implicit-dynamic in your analysis options file.

Missing parameter type for 'error'.  Try adding an explicit type like 'dynamic', or enable implicit-dynamic in your analysis options file.

            errorWidget: (context, url, error) => SizedBox(
              width: double.infinity,
              height: double.infinity,
              child: DecoratedBox(
                decoration: BoxDecoration(
                  color: backgroundGreyDark,
                ),
              ),
            ),

どう消すんだ？