When I cast the Regrowth and Rejuvenation druid spells on myself the following errors occure:

Message: ...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:820: attempt to perform arithmetic on local 'requiresLevel' (a nil value)
Time: Sun Feb 11 23:22:05 2024
Count: 3
Stack: ...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:820: attempt to perform arithmetic on local 'requiresLevel' (a nil value)
[string "@Interface/AddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua"]:820: in function <...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:809>
[string "@Interface/AddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua"]:1000: in function <...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:992>
[string "@Interface/AddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua"]:2759: in function `?'
[string "@Interface/AddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua"]:3413: in function <...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:3411>

Locals: spellData =

{
interval = 3
levels = {
}
averages = {
}
}
spellName = "Rejuvenation"
spellID = 417061
spellRank = nil
average = nil
requiresLevel = nil
(*temporary) = defined =[C]:-1
(*temporary) = 32
(*temporary) = nil
(*temporary) = "attempt to perform arithmetic on local 'requiresLevel' (a nil value)"
type = defined =[C]:-1
min = defined =[C]:-1
playerLevel = 32

Message: ...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:820: attempt to perform arithmetic on local 'requiresLevel' (a nil value)
Time: Sun Feb 11 23:22:35 2024
Count: 2
Stack: ...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:820: attempt to perform arithmetic on local 'requiresLevel' (a nil value)
[string "@Interface/AddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua"]:820: in function <...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:809>
[string "@Interface/AddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua"]:1125: in function <...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:1123>
[string "=(tail call)"]: ?
[string "@Interface/AddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua"]:2912: in function `?'
[string "@Interface/AddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua"]:3415: in function <...ddOns/ZPerl/Libs/LibHealComm-4.0/LibHealComm-4.0.lua:3411>

Locals: spellData =

{
levels = {
}
averages = {
}
coeff = 0.285714
}
spellName = "Regrowth"
spellID = 436940
spellRank = nil
average = nil
requiresLevel = nil
(*temporary) = defined =[C]:-1
(*temporary) = 32
(*temporary) = nil
(*temporary) = "attempt to perform arithmetic on local 'requiresLevel' (a nil value)"
type = defined =[C]:-1
min = defined =[C]:-1
playerLevel = 32