I cant get it to occur 100% when I cast power shield on my self but if I use a mouseover macro to cast renew while mousing over the player unit frame (to cast renew on my self), I receive the renew error. Never seen these errors until todays update.

Message: Interface\FrameXML\CompactUnitFrame.lua:1023: attempt to index local 'buffFrame' (a nil value)
Time: Sun May 31 00:02:12 2020
Count: 18
Stack: Interface\FrameXML\CompactUnitFrame.lua:1023: attempt to index local 'buffFrame' (a nil value)
Interface\FrameXML\CompactUnitFrame.lua:1023: in function <Interface\FrameXML\CompactUnitFrame.lua:1021>
[C]: ?
[C]: in function CompactUnitFrame_UtilSetBuff' Interface\AddOns\BigDebuffs\BigDebuffs.lua:1256: in function <Interface\AddOns\BigDebuffs\BigDebuffs.lua:1230> [C]: in function CompactUnitFrame_UpdateBuffs'
Interface\FrameXML\CompactUnitFrame.lua:552: in function `CompactUnitFrame_UpdateAuras'
Interface\FrameXML\CompactUnitFrame.lua:98: in function <Interface\FrameXML\CompactUnitFrame.lua:51>

Locals: buffFrame = nil
unit = "player"
index = 5
filter = nil
name = "Renew"
icon = 135953
count = 0
debuffType = "Magic"
duration = 15
expirationTime = 258549.631000
unitCaster = "player"
canStealOrPurge = false
_ = false
spellId = 10929
canApplyAura = true
(*temporary) = false
(*temporary) = false
(*temporary) = 10929
(*temporary) = true
(*temporary) = "attempt to index local 'buffFrame' (a nil value)"

Message: Interface\FrameXML\CompactUnitFrame.lua:1023: attempt to index local 'buffFrame' (a nil value)
Time: Sat May 30 23:54:17 2020
Count: 3
Stack: Interface\FrameXML\CompactUnitFrame.lua:1023: attempt to index local 'buffFrame' (a nil value)
Interface\FrameXML\CompactUnitFrame.lua:1023: in function <Interface\FrameXML\CompactUnitFrame.lua:1021>
[C]: ?
[C]: in function CompactUnitFrame_UtilSetBuff' Interface\AddOns\BigDebuffs\BigDebuffs.lua:1256: in function <Interface\AddOns\BigDebuffs\BigDebuffs.lua:1230> [C]: in function CompactUnitFrame_UpdateBuffs'
Interface\FrameXML\CompactUnitFrame.lua:552: in function `CompactUnitFrame_UpdateAuras'
Interface\FrameXML\CompactUnitFrame.lua:65: in function <Interface\FrameXML\CompactUnitFrame.lua:51>

Locals: buffFrame = nil
unit = "player"
index = 5
filter = nil
name = "Power Word: Shield"
icon = 135940
count = 0
debuffType = "Magic"
duration = 30
expirationTime = 258077.039000
unitCaster = "player"
canStealOrPurge = false
_ = false
spellId = 10901
canApplyAura = true
(*temporary) = false
(*temporary) = false
(*temporary) = 10901
(*temporary) = true
(*temporary) = "attempt to index local 'buffFrame' (a nil value)"