After attaching this animation as a "root" to the parent of the car, the attachment is released when saved. How to solve it ?

General Feedback & Requests
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1

I am a beginner in UE.
I purchased “JSFILMZ’s Unreal Engine 5.2 Introduction to PCG and Car Animation Course”.

I took the course without skipping from the beginning but I have one problem.

After attaching this animation as a “root” to the parent of the car, the attachment is released when saved.

There is no mark on the tutorial outliner but there is on my outliner.
I think this is the cause of the release but I don’t know how to solve it.

What should I do ?

2

I added a Skeletal Mesh to the car Blueprint (BP) and added an Animation Sequence to the Animation section of the Details panel. With this setup, I created a new Level Sequence using the Take Recorder. The car and the character now move together successfully.

However, even after attaching the Animation Sequence (SkeletalMeshActor) to the car BP following the tutorial, the attaching is not preserved after saving. This issue does not occur with a regular SkeletalMesh; linkage remains intact after saving.

Additionally, in the Level Sequence created with the car Blueprint from the tutorial, there is no lightning bolt icon in the Outliner. The car Blueprint in my Outliner has the icon. Thinking that this might be the cause of the issue, I am attempting to create a Level Sequence without this icon using Take Recorder, but I cannot figure out the solution at all.