Crashes when I load into the game.

Whenever I enter the game, it crashes and gives me this code.

97F76C97-4477-47EB-86F0-99E197EFED86

It also says-

ERROR #0 (0x85100000) Assertion failure!

Program: C:\Program Files (x86World of Warcraft Public Test\WowT-64.exe
ProcessID:17972
File: UIMacros.cpp
Line: 601
Expr: "!!(id & MARCO_FLAG_IS_CHARACTER_MACRO) == !!macroBlock", Trying to load mixed account and character macros.

Press OK to terminate the application.