Describe the Bug

TypeError: Cannot read properties of undefined (reading 'has') in FolderFileCard when accessing folder view

Describe the Bug

When navigating to the folder view for a collection with folders: true enabled, the page crashes with a TypeError. The error occurs in FolderFileCard/index.tsx at line 154 where itemKeysToMove.has(item.itemKey) is called, but itemKeysToMove is undefined.

In this thread two other say they have same issue: #12729 (reply in thread)

Link to the code that reproduces this issue

https://github.com/cgilly2fast/payload-issue-folders

Reproduction Steps

1. Set up a collection with folders: true in the collection config
2. Navigate to /admin/collections/[collection-name]/payload-folders
3. Page crashes with TypeError: Cannot read properties of undefined (reading 'has')

Which area(s) are affected? (Select all that apply)

area: core

Environment Info

3.43.0