Describe the bug

From BugSack:

217x Prat-3.0-3.10.0\modules\Bubbles.lua:479: attempt to call method 'SetBackdropBorderColor' (a nil value)
[string "@Prat-3.0-3.10.0\modules\Bubbles.lua"]:479: in function ?' [string "@Prat-3.0-3.10.0\modules\Bubbles.lua"]:533: in function IterateChatBubbles'
[string "@Prat-3.0-3.10.0\modules\Bubbles.lua"]:437: in function `FormatBubbles'
[string "@Prat-3.0-3.10.0\modules\Bubbles.lua"]:402: in function <Prat-3.0\modules\Bubbles.lua:398>

Locals:
self =

{
SetDefaultModuleLibraries = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:367
Enable = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:294
NewModule = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:235
update = {
}
EnableModule = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:332
modules = {
}
GetModule = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:210
IterateEmbeds = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:442
FormatCallback = defined @Prat-3.0\modules\Bubbles.lua:449
defaultModuleLibraries = {
}
IterateChatBubbles = defined @Prat-3.0\modules\Bubbles.lua:522
SetDefaultModulePrototype = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:409
font = true
name = "Prat_Bubbles"
IsEnabled = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:451
orderedModules = {
}
DisableModule = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:350
FormatBubbles = defined @Prat-3.0\modules\Bubbles.lua:436
OnModuleDisable = defined @Prat-3.0\modules\Bubbles.lua:432
APLyOptions = defined @Prat-3.0\modules\Bubbles.lua:410
throttle = 0.100000
fontsize = 14
IsModule = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:217
db = {
}
SetDefaultModuleState = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:387
PL = {
}
icons = true
SetEnabledState = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:424
format = true
enabledState = true
color = true
shorten = false
baseName = "Prat-3.0"
OnModuleEnable = defined @Prat-3.0\modules\Bubbles.lua:393
RestoreDefaultsCallback = defined @Prat-3.0\modules\Bubbles.lua:516
RestoreDefaults = defined @Prat-3.0\modules\Bubbles.lua:440
IterateModules = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:437
OnValueChanged = defined @Prat-3.0\modules\Bubbles.lua:426
transparent = false
GetName = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:279
moduleName = "Bubbles"
defaultModuleState = true
Disable = defined @CEPGP\Libs\AceAddon-3.0\AceAddon-3.0.lua:314
}
frame = {
0 =
isSkinnedElvUI = true
Name = {
}
holder = {
}
}
fontstring = {
0 =
fontStyle = ""
font = "ElvUI\Core\Media\Fonts\PTSansNarrow.ttf"
fontSize = 10.200000
}
text = ""
(*temporary) = nil
(*temporary) = {
0 =
isSkinnedElvUI = true
Name = {
}
holder = {
}
}
(*temporary) = 0.999998
(*temporary) = 0.999998
(*temporary) = 0.999998
(*temporary) = 0.999998
(*temporary) = "attempt to call method 'SetBackdropBorderColor' (a nil value)"
MAX_CHATBUBBLE_WIDTH = 300

To Reproduce
Steps to reproduce the behavior:

1. Use the Foreman's Blackjack on a Lazy Peon

Expected behavior
Chat Bubble should appear for NPC but doesn't.
Does appear and there's no error when Bubble Module is disabled.

Version Information (please complete the following information):

• Wow Version: Classic WOTLK 3.4.0 (46158)
• Prat Version: Prat |cff8080ff3.0|r (|cff8080ff3.9.1|r)