Describe the bug
I notice these 4 bugs in bugsack every time I login

A maybe helpful screenshot: https://i.imgur.com/TTf5lIs.png

396x Prat-3.0-3.9.2c\modules\PlayerNames.lua:1798: Cannot find a library instance of "AceTab-3.0".
[string "=[C]"]: in function error' [string "@TheUndermineJournal\libs\LibStub.lua"]:23: in function LibStub'
[string "@Prat-3.0-3.9.2c\modules\PlayerNames.lua"]:1798: in function TabComplete' [string "@Prat-3.0-3.9.2c\modules\PlayerNames.lua"]:1151: in function OnModuleEnable'
[string "@Prat-3.0-3.9.2c\addon\modules.lua"]:189: in function <Prat-3.0\addon\modules.lua:178>
[string "=[C]"]: ?
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:70: in function <...dOns\BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0.lua:65>
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:527: in function EnableAddon' [string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:540: in function EnableAddon'
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:630: in function <...dOns\BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0.lua:615>

396x Prat-3.0-3.9.2c\modules\AltNames.lua:1666: attempt to index upvalue 'altregistry' (a nil value)
[string "@Prat-3.0-3.9.2c\modules\AltNames.lua"]:1666: in function OnModuleEnable' [string "@Prat-3.0-3.9.2c\addon\modules.lua"]:189: in function <Prat-3.0\addon\modules.lua:178> [string "=[C]"]: ? [string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:70: in function <...dOns\BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0.lua:65> [string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:527: in function EnableAddon'
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:540: in function `EnableAddon'
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:630: in function <...dOns\BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0.lua:615>

397x Prat-3.0-3.9.2c\modules\AltNames.lua:1306: Cannot find a library instance of "LibAlts-1.0".
[string "=[C]"]: in function error' [string "@TheUndermineJournal\libs\LibStub.lua"]:23: in function LibStub'
[string "@Prat-3.0-3.9.2c\modules\AltNames.lua"]:1306: in function init' [string "@Prat-3.0-3.9.2c\addon\modules.lua"]:154: in function <Prat-3.0\addon\modules.lua:147> [string "=[C]"]: ? [string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:70: in function <...dOns\BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0.lua:65> [string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:498: in function InitializeAddon'
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:623: in function <...dOns\BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0.lua:615>

397x Prat-3.0-3.9.2c\addon\modules.lua:284: Usage: EmbedLibrary(addon, libname, silent, offset): 'libname' - Cannot find a library instance of "LibSink-2.0".
[string "@Prat-3.0-3.9.2c\addon\addon.lua"]:236: in function <Prat-3.0\addon\addon.lua:190>
[string "=[C]"]: ?
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:70: in function <...dOns\BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0.lua:65>
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:498: in function `InitializeAddon'
[string "@BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0-13.lua"]:623: in function <...dOns\BagAppraiser\libs\AceAddon-3.0\AceAddon-3.0.lua:615>

Version Information (please complete the following information):

• Wow Version: Retail
• Prat Version: [12:33:29] Dump: value=Prat.Version
  [12:33:29] [1]="Prat |cff8080ff3.0|r (|cff8080ff3.9.1-1-g6978fc8|r)"

Addons you are running
Quite a few but Prat is my only Chat mod

This would have happened because the "Prat (libraries)" addon that ships with Prat is either disabled or not installed.