fixed dragging preselements by updating dragManger pointerup

1 files changed, 4 insertions, 2 deletions

diff --git a/src/client/views/nodes/trails/PresElementBox.tsx b/src/client/views/nodes/trails/PresElementBox.tsx
index 1a2054676..bd5e8caab 100644
--- a/src/client/views/nodes/trails/PresElementBox.tsx
+++ b/src/client/views/nodes/trails/PresElementBox.tsx
@@ -219,8 +219,10 @@ export class PresElementBox extends ViewBoxBaseComponent<FieldViewProps>() {
         const dragItem: HTMLElement[] = [];
         if (dragArray.length === 1) {
             const doc = this._itemRef.current || dragArray[0];
-            doc.className = miniView ? 'presItem-miniSlide' : 'presItem-slide';
-            dragItem.push(doc);
+            if (doc) {
+                doc.className = miniView ? 'presItem-miniSlide' : 'presItem-slide';
+                dragItem.push(doc);
+            }
         } else if (dragArray.length >= 1) {
             const doc = document.createElement('div');
             doc.className = 'presItem-multiDrag';