Skript Errors

-- Function:
function getDef(def: text) :: text:
    #common
    if {_def} contains "Telepathic ":
        set {_meaning} to "Has a chance to teleport blocks instantly to your inventory."
        set {_booklore} to "Tool Enchantment"
        set {_tier} to "&7"
        set {_maxlevel} to "V"
    return "%{_meaning}% - %{_booklore}% - %{_tier}% - %{_maxlevel}%"
---
Using code also gives errors:

set {_function} to getDef("%{_re}%")

Also getting console errors with:

set advanced footer to "&6test" for player
set advanced header to "&e&LTEST" for player