Have this Problem and Installed the Addon 10 times or more and still dont work

Date: 2020-08-21 15:30:12
ID: 6
Error occured in: Global
Count: 1
Message: ..\AddOns\Prio3\core.lua line 38:
Cannot find a library instance of "AceConfigDialog-3.0".
Debug:
(tail call): ?
[C]: error()
...nterface\AddOns!Swatter\Libs\SlideBar\SlideMain.lua:63: LibStub()
Prio3\core.lua:38:
Prio3\core.lua:27
(tail call): ?
[C]: ?
[string "safecall Dispatcher[1]"]:9:
[string "safecall Dispatcher[1]"]:5
(tail call): ?
...ce\AddOns\Details\Libs\AceAddon-3.0\AceAddon-3.0.lua:529: InitializeAddon()
...ce\AddOns\Details\Libs\AceAddon-3.0\AceAddon-3.0.lua:644:
...ce\AddOns\Details\Libs\AceAddon-3.0\AceAddon-3.0.lua:63

Hi!
Took me a while to figure it out, seems it's a matter of order of loading the Ace libraries.
Is fixed in the next release.

This won't come up as long as other Ace-powered addons with the same dependencies are also loaded, so that's why most people didn't notice.