Error 401 using SEF on User view menu link

Hello,

If you create a menu link "com_communityquiz_user_VIEW_DEFAULT_TITLE" and then you want to take a quizz, you'll get a 401 error IF SEF is activated.

If you do the same SEF not activated it works fine.

It's quite tricky because if you create a menu link : com_communityquiz_quiz_VIEW_DEFAULT_TITLE , and then take a quizz SEF activated, you don't get any error.

I also did not get the difference between these two menu links type...Could you explain it ?

I can provide test account if needed to check.

Thanks !