package:cached_network_image/src/cached_network_image_provider.dart': Failed assertion: line 18 pos 16: 'url != null': is not true

Question

import \'dart:io\';
import \'package:buddiesgram/models/user.dart\';
import \'package:buddiesgram/pages/HomePage.dart\';
import \'package:buddiesgram/widgets/Progres