src/app/modules/channels/feed/feed.html

@@ -4,7 +4,7 @@
  <m-onboarding-feed *ngIf="session.isLoggedIn() && session.getLoggedInUser().guid == user.guid"></m-onboarding-feed>
  <m-newsfeed--boost-rotator [channel]="user" interval="12" *ngIf="user.guid !== session.getLoggedInUser().guid && user.show_boosts"></m-newsfeed--boost-rotator>
  <minds-activity *ngFor="let activity of pinned; let i = index" [object]="activity" [boostToggle]="activity.boostToggle" class="mdl-card m-border item" (delete)="delete(activity)" [slot]="i + 1"></minds-activity>
- <minds-activity *ngFor="let activity of feed; let i = index" [object]="activity" [boostToggle]="activity.boostToggle" class="mdl-card m-border item" (delete)="delete(activity)" [slot]="i + pinned.length + 1"></minds-activity>
+ <minds-activity *ngFor="let activity of feed; let i = index" [object]="activity" [boostToggle]="activity.boostToggle" class="mdl-card m-border item" (delete)="delete(activity)" [slot]="i + (pinned?.length || 0) + 1"></minds-activity>
  <infinite-scroll
  distance="25%"
  (load)="loadFeed()"

src/app/modules/groups/profile/feed/legacy.html

@@ -41,7 +41,7 @@
  [object]="a"
  [canDelete]="group['is:owner'] || group['is:moderator']"
  (delete)="delete(a)"
- [slot]="i + pinned.length + 1"
+ [slot]="i + (pinned?.length || 0) + 1"
  >
  <!-- Menu Actions -->
  <li post-menu