in lib/src/span_exception.dart [83:101]
String toString({color, String? secondaryColor}) {
if (span == null) return message;
var useColor = false;
String? primaryColor;
if (color is String) {
useColor = true;
primaryColor = color;
} else if (color == true) {
useColor = true;
}
final formatted = span!.messageMultiple(
message, primaryLabel, secondarySpans,
color: useColor,
primaryColor: primaryColor,
secondaryColor: secondaryColor);
return 'Error on $formatted';
}