Interface\AddOns\AdiButtonAuras\core\RuleDSL.lua:125: attempt to index global 'descriptions' (a nil value)
Interface\AddOns\AdiButtonAuras\core\RuleDSL.lua:125: in function <Interface\AddOns\AdiButtonAuras\core\RuleDSL.lua:117>
Interface\AddOns\AdiButtonAuras\core\RuleDSL.lua:190: in function <Interface\AddOns\AdiButtonAuras\core\RuleDSL.lua:189>

Interface\AddOns\AdiButtonAuras\core\Core.lua:362: in function `?'
...vUI\libs\CallbackHandler-1.0\CallbackHandler-1.0-6.lua:147: in function <...vUI\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:147>
[string "safecall Dispatcher[1]"]:4: in function <[string "safecall Dispatcher[1]"]:4>

[string "safecall Dispatcher[1]"]:13: in function ?' ...vUI\libs\CallbackHandler-1.0\CallbackHandler-1.0-6.lua:92: in functionFire'
...ttonAuras\libs\LibSpellbook-1.0\LibSpellbook-1.0-11.lua:286: in function <...ttonAuras\libs\LibSpellbook-1.0\LibSpellbook-1.0.lua:244>
(tail call): ?
nil

Already fixed in 1.8.2.