Fill errorWidget field on every cached network image, cuz otherwise they would break the app

lib/pages/community.dart

@@ -265,6 +265,7 @@ class _CommunityOverview extends StatelessWidget {
                         ),
                       ),
                     ),
+                    errorWidget: (_, __, ___) => Icon(Icons.warning),
                   ),
                 ),
               ),
@@ -277,7 +278,10 @@ class _CommunityOverview extends StatelessWidget {
       if (community.banner != null)
         FullscreenableImage(
           url: community.banner,
-          child: CachedNetworkImage(imageUrl: community.banner),
+          child: CachedNetworkImage(
+            imageUrl: community.banner,
+            errorWidget: (_, __, ___) => Container(),
+          ),
         ),
       SafeArea(
         child: Padding(

lib/pages/instance.dart

@@ -162,7 +162,10 @@ class InstancePage extends HookWidget {
                   if (site.site.banner != null)
                     FullscreenableImage(
                       url: site.site.banner,
-                      child: CachedNetworkImage(imageUrl: site.site.banner),
+                      child: CachedNetworkImage(
+                        imageUrl: site.site.banner,
+                        errorWidget: (_, __, ___) => Container(),
+                      ),
                     ),
                   SafeArea(
                     child: Center(
@@ -175,7 +178,10 @@ class InstancePage extends HookWidget {
                               child: CachedNetworkImage(
                                 width: 100,
                                 height: 100,
-                                  imageUrl: site.site.icon),
+                                imageUrl: site.site.icon,
+                                errorWidget: (_, __, ___) =>
+                                    Icon(Icons.warning),
+                              ),
                             ),
                           ),
                           Text(site.site.name,
@@ -332,6 +338,8 @@ class _AboutTab extends HookWidget {
                             height: 50,
                             width: 50,
                             imageUrl: e.icon,
+                            errorWidget: (_, __, ___) =>
+                                SizedBox(width: 50, height: 50),
                             imageBuilder: (context, imageProvider) => Container(
                                   decoration: BoxDecoration(
                                     shape: BoxShape.circle,
@@ -380,6 +388,8 @@ class _AboutTab extends HookWidget {
                           height: 50,
                           width: 50,
                           imageUrl: e.avatar,
+                          errorWidget: (_, __, ___) =>
+                              SizedBox(width: 50, height: 50),
                           imageBuilder: (context, imageProvider) => Container(
                                 decoration: BoxDecoration(
                                   shape: BoxShape.circle,

lib/pages/users_list.dart

@@ -48,6 +48,8 @@ class UsersListPage extends StatelessWidget {
                     height: 50,
                     width: 50,
                     imageUrl: users[i].avatar,
+                    errorWidget: (_, __, ___) =>
+                        SizedBox(height: 50, width: 50),
                     imageBuilder: (context, imageProvider) => Container(
                           decoration: BoxDecoration(
                             shape: BoxShape.circle,

lib/widgets/comment.dart

@@ -200,6 +200,7 @@ class Comment extends StatelessWidget {
                             ),
                           ),
                         ),
+                        errorWidget: (_, __, ___) => Container(),
                       ),
                     ),
                   ),

lib/widgets/post.dart

@@ -374,6 +374,7 @@ class Post extends StatelessWidget {
         url: post.url,
         child: CachedNetworkImage(
           imageUrl: post.url,
+          errorWidget: (_, __, ___) => Icon(Icons.warning),
           progressIndicatorBuilder: (context, url, progress) =>
               CircularProgressIndicator(value: progress.progress),
         ),

lib/widgets/user_profile.dart

@@ -96,6 +96,7 @@ class UserProfile extends HookWidget {
           if (userViewSnap.data?.banner != null)
             CachedNetworkImage(
               imageUrl: userViewSnap.data.banner,
+              errorWidget: (_, __, ___) => Container(),
             )
           else
             Container(
@@ -154,6 +155,7 @@ class UserProfile extends HookWidget {
                         borderRadius: BorderRadius.all(Radius.circular(12)),
                         child: CachedNetworkImage(
                           imageUrl: userViewSnap.data.avatar,
+                          errorWidget: (_, __, ___) => Container(),
                         ),
                       ),
                     ),