Custom layout of Montage filter is not reflected

[Okurage]

I tried creating a montage image as in the tutorial below.
https://www.youtube.com/watch?v=iM42vx22gwg
However, the custom layout is not reflected.
Only some layers are displayed, and all are # 0 layers.
I would be grateful if you could tell me about the cause.
Thank you.

MacOS High Sierra:10.13.6
McGimp-2.10.22.app

Example(Montage type:Auto)

[racer-x]

Set "Input Layers" to "ALL".

[Okurage]

Thank you for your reply. I tried.
But the result did not change.
After downgrading Gimp 2.10.14, it worked.

[sallyanne]

You can make the ouput as all new active layers then put them together as you wish.