Steps to reproduce the issue

Clicking “All Menu items” or “Main Menu (fr-FR)” or Main Menu (en-GB)” or Main Menu

Expected result

Showing item in Joomla administration

Actual result

Error 500
<<
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.published,a.component_id,a.checked_out,a.checked_out_time,a.br' at line 1 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.published,a.component_id,a.checked_out,a.checked_out_time,a.br' at line 1 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.published,a.component_id,a.checked_out,a.checked_out_time,a.`br' at line 1

System information (as much as possible)

Joomla! 4.0.0-alpha6-dev on Mamp - PHP 7.2.1

Additional comments

I will try reinstall, this is the nighty build from 2 or 3 weeks already.
Maybe the fact that I use a multilingual example have something to do with it.