Someone who's having this problem, try this:
In ExRM\Data\world\maps\campaign\barbarian_invasion\UnitSize_script.txt (or imperial_campaign\UnitSize_script.txt, if you don't have BI), near the end of file, change...
Code:
wait 1
console_command clear_messages
wait 1
advance_advice_thread 4tpy_Thread
wait 1
select_ui_element advisor_portrait_button
simulate_mouse_click lclick_up
while I_CompareCounter blib = 0
end_while
... to ...
Code:
while I_CompareCounter blib = 0
end_while
wait 1
console_command clear_messages
wait 1
advance_advice_thread 4tpy_Thread
wait 1
select_ui_element advisor_portrait_button
simulate_mouse_click lclick_up