Weird Bug

[strawnsis]

i have a bug tried on 2 diffrent pc and still giving same error tried clean install etc everything but still same

8413x nibRealUI\Core\Fun.lua:577: attempt to call method 'utf8len' (a nil value)
nibRealUI\Core\Fun.lua:577: in function <nibRealUI\Core\Fun.lua:573>
(tail call): ?
nibRealUI\HuD\UnitFrames\Tags.lua:23: in function '?'
...nterface\nibRealUI\Libs\oUF\elements\tags.lua:616: in function 'UpdateTag'
...nterface\nibRealUI\Libs\oUF\elements\tags.lua:464: in function 'func'
nibRealUI\Libs\oUF\ouf.lua:158: in function <nibRealUI\Libs\oUF\ouf.lua:149>
(tail call): ?
[C]:: in function 'Show'
FrameXML\SecureStateDriver.lua:83: in function <FrameXML\SecureStateDriver.lua:73>
FrameXML\SecureStateDriver.lua:137: in function <FrameXML\SecureStateDriver.lua:119>

[Gethe]

Make sure you have RealUI_Init enabled and fully updated.

[strawnsis]

i have nibRealUI Init and its active just downloaded from website.
Edit - Oh i think its' not real ui something is making to RealUi give erro without any other addon i use its not giving it. i will enable one by one and try to find it what is causing this.