90% of NPCs do not give tasks

[zTerragor]

90% of NPCs do not give tasks
Using SSL version: OpenSSL 1.1.1k 25 Mar 2021 (library: OpenSSL 1.1.1j 16 Feb 2021)
Using ACE version: 7.0.3
SkyFire 5.x.x rev. bda0f60 2021-08-21 01:34:30 +0200 (trunk branch) (Win64, Release) (worldserver-daemon)

90% of NPCs do not give tasks
When choosing NPCs from tasks, there is no reaction.

Expected behaviour:
The character should receive a task, but this does not happen . At the same time, there are no errors in the server console
CHANGEME Tell us what should happen instead.
The character should get tasks, but this does not happen. At the same time, all NPCs are clickable, some merchants work. Teachers of skills and professions do not work
Steps to reproduce the problem:

At the same time, some NPCs are working

SkyFire 5.x.x rev. bda0f60 2021-08-21 01:34:30 +0200 (trunk branch) (Win64, Release) (worldserver-daemon)
SkyFire 5.x.x rev. bda0f60 2021-08-21 01:34:30 +0200 (trunk branch) (Win64, Release) (authserver)

SFDB version: Using World DB: SFDB 548.Release.21.00

Operating system: Windows 10 64 bit

[SkyFire]

"90% of NPCs do not give tasks"
Did you actually count the percentage of non working quest or are you just throwing a random number out there.

[AriDEV3]

The learning of skills from trainers has been deprecated in cataclysm, players learn skills by leveling in pandaria.

[YinDeGuan]

are you kidding me , 90 % ?