List<Map<String, dynamic>>?
の値に対してMap<String, dynamic>
の値を add
Unhandled Exception: type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'Map<String, String?>' of 'value'
List<Map<String, dynamic>>?
の値に対してMap<String, dynamic>
の値を add
Unhandled Exception: type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'Map<String, String?>' of 'value'