4x Couldn't open WorldBossStatus\Libs\CallbackHandler-1.0-7\CallbackHandler-1.0.xml

4x WorldBossStatus\WorldBossStatus-5.9.lua:1324: bad argument #1 to 'pairs' (table expected, got nil) [C]: in function pairs'
WorldBossStatus\WorldBossStatus-5.9.lua:1324: in function GetWorldBossKills' WorldBossStatus\WorldBossStatus-5.9.lua:1256: in function GetCharacterInfo'
WorldBossStatus\WorldBossStatus-5.9.lua:1239: in function SaveCharacterInfo' WorldBossStatus\WorldBossStatus-5.9.lua:1364: in function ?'
...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0-7.lua:119: in function <...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:119>
[C]: ?
...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0-7.lua:29: in function <...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:25>
...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0-7.lua:64: in function Fire' DataStore\libs\AceEvent-3.0\AceEvent-3.0-4.lua:120: in function <DataStore\libs\AceEvent-3.0\AceEvent-3.0.lua:119>