Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh
Seeing a LOT of these : 

(19:12:06) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

(19:12:09) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

(19:12:14) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

(19:12:23) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

(19:12:53) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

(19:13:14) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

(19:13:17) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

(19:13:23) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

(19:13:31) | Failed to spawn assets/prefabs/npc/scientist/scientist.prefab on a valid navmesh.

Are they related to disabled hooks?

Not likely to be related to hooks.
no it's not related hooks most of the time the server trying to spawn npc or animals for that matter on a area that don't exist or is in water from previous map that was used happens alot of custom maps
In response to LoneWolfAU ():
Seeing a LOT of these : 

(19:12:06) | Failed to spawn assets/prefabs/npc/scientist/scien...
Are you using BotSpawn with parachutes enabled?
If so, it's coming from OnNpcPlayerResume being temporarily disabled.

You can disable parachutes, for now, to stop the error messages.
In response to ():
Are you using BotSpawn with parachutes enabled?
If so, it's coming from OnNpcPlayerResume being...
Ah, thanks. Have you been able to test that being re-enabled in the dev build?
Computer is back up and running now. I'll check it out. :)

Merged post

Update: Yeah, hook is firing and there are no errors on dev build.
In response to ():
Computer is back up and running now. I'll check it out. :)

Merged post

Update:...
Great! Hopefully that hook is good to go then.
l5BSEvP9ca3kbmu.jpg Father
no it's not related hooks most of the time the server trying to spawn npc or animals for that matter on a area that don't exist or is in water from previous map that was used happens alot of custom maps

with map original too thi problem without botspawn or same spawn bot***