You've probably seen this from others by now, but I figured just in case...
Every log in or /reloadui, this pops up:
assertion failed
stack traceback:
[C]: in function 'assert'
user:/AddOns/AwesomeGuildStore/StartUp.lua:84: in function 'IntegrityCheck'
user:/AddOns/AwesomeGuildStore/StartUp.lua:124: in function 'callback'
user:/AddOns/AwesomeGuildStore/StartUp.lua:47: in function '(anonymous)'