Apps disappeared from side menu ?

[Madydri]

Describe the bug
Some apps are not visible anymore in side menu
Some apps does not appear in a Search

To Reproduce
Steps to reproduce the behavior:
Open side menu,
In the categories apps that are affected to the category are nat all present
In the alphabetical list it starts at "H", nothing before

Expected behavior
All apps affected to category should be showed

Screenshots
Nil

Smartphone (please complete the following information):
POCO F2 Pro
MIUI version (For POCO) MIUI Global 12.5.5 Stable
12.5.5.0(RJKEUXM)
Android version 11 RKQ1.200826.002

Additional context
This is a recent issue since today, never before
Rebootung device does not solve

[zobnin]

Please tell me which version of the app you are talking about, attach screenshots and make sure no apps are hidden through settings. Also I would like to understand which applications are not visible, I do not understand your explanation.

[Madydri]

4.4.6-beta7 (902483)
Looks like a corrupt database
Restoring a backup of June do restore normal behaviour
Restoring backup of today (with error) "restores" the error