1 files changed, 10 insertions, 3 deletions
diff --git a/client/components/cards/cardDetails.js b/client/components/cards/cardDetails.js
index 441068b0..d877421c 100644
--- a/client/components/cards/cardDetails.js
+++ b/client/components/cards/cardDetails.js
@@ -74,11 +74,18 @@ BlazeComponent.extendComponent({
 
   scrollParentContainer() {
     const cardPanelWidth = 510;
-    const bodyBoardComponent = this.parentComponent().parentComponent();
+    const parentComponent = this.parentComponent();
+    // TODO sometimes parentComponent is not available, maybe because it's not
+    // yet created?!
+    if (!parentComponent) return;
+    const bodyBoardComponent = parentComponent.parentComponent();
     //On Mobile View Parent is Board, Not Board Body. I cant see how this funciton should work then.
     if (bodyBoardComponent === null) return;
     const $cardView = this.$(this.firstNode());
     const $cardContainer = bodyBoardComponent.$('.js-swimlanes');
+    // TODO sometimes cardContainer is not available, maybe because it's not yet
+    // created?!
+    if (!$cardContainer) return;
     const cardContainerScroll = $cardContainer.scrollLeft();
     const cardContainerWidth = $cardContainer.width();
 
@@ -805,9 +812,9 @@ Template.copyChecklistToManyCardsPopup.events({
 
         // copy subtasks
         cursor = Cards.find({ parentId: oldId });
-        cursor.forEach(function() {
+        cursor.forEach(cur => {
           'use strict';
-          const subtask = arguments[0];
+          const subtask = cur;
           subtask.parentId = _id;
           subtask._id = null;
           /* const newSubtaskId = */ Cards.insert(subtask);