I can reproduce this with sandbox vault.
SYSTEM INFO:
Obsidian version: v1.6.1
Installer version: v1.5.12
Operating system: Windows 10 Home 10.0.19045
Login status: logged in
Catalyst license: supporter
Insider build toggle: on
Live preview: on
Base theme: adapt to system
Community theme: none
Snippets enabled: 0
Restricted mode: on
RECOMMENDATIONS:
none
This seems to be a regression in 1.6.1 vs 1.5.x. I don’t think 1.6.0 had this problem either.