Authors CurseForge

I get the problem where all i can see is the player bars, no target/party/raid, and I cannot get into the options menu, this is the main error message i get

Message: Interface\AddOns\XPerl\XPerl.lua:3760: attempt to index field 'conf' (a nil value)
Time: 08/06/09 23:38:22
Count: 4
Stack: [string "Interface\FrameXML\BasicControls.xml:<Scrip..."]:18: in function <[string "Interface\FrameXML\BasicControls.xml:<Scrip..."]:4>
(tail call): ?
[C]: ?
Interface\AddOns\XPerl\XPerl.lua:3760: in function `XPerl_Unit_ThreatStatus'
Interface\AddOns\XPerl_Target\XPerl_Target.lua:1347: in function `func'
Interface\AddOns\XPerl_Target\XPerl_Target.lua:1028: in function <Interface\AddOns\XPerl_Target\XPerl_Target.lua:1025>

Locals: