WowAce

Having a serious issue since the 5.4.1 patch, almost every time I try to log into the game on some character with IPopBar enabled, the game crashes with error #132 during loading screen.
In one case where I did get into the game without a crash, I got this error via buggrabber:

17x [ADDON_ACTION_FORBIDDEN] AddOn "IPopBar" tried to call the protected function "IsDisabledByParentalControls()".
!BugGrabber-r198-release\BugGrabber.lua:552: in function <!BugGrabber\BugGrabber.lua:552>
<in C code>
FrameXML\MainMenuBarMicroButtons.lua:229: in function "UpdateMicroButtons"
IPopBar\IPopBar-v3.17.lua:417: in function "HideMicroButtons"
IPopBar\IPopBar-v3.17.lua:445: in function "UpdateButtons"
IPopBar\IPopBar-v3.17.lua:431: in function "ShowBars"
IPopBar\IPopBar-v3.17.lua:339: in function <IPopBar\IPopBar.lua:326>

Locals:
nil

As a slight followup: In order to get the game up & working, I have to disable the addon before logging on a char on first startup, then once ingame, I can use something like OptionHouse to re-enable IPopBar, and then it works fine (just throwing the above mentioned error every time I zone anywhere), or I can just logout back to char screen & re-enable. Relogging to any char works fine, the crash only happens when loading the game first time every session (so if I /quit to desktop & then start it up again, I need to disable ipopbar or crash repeatedly).