FYI, in 1.12.1 version run ok !! I can log in to the admin center perfectly

I have the same problem, in fresh install in Ubuntu 18.04.

[Wed Apr 17 22:14:50.609659 2019] [php7:error] [pid 28156] [client 192.168.1.204:60360] PHP Fatal error:  Uncaught Error: Class 'idoit\\Module\\License\\LicenseServiceFactory' not found in /var/www/html/i-doit/admin/index.php:139\nStack trace:\n#0 {main}\n  thrown in /var/www/html/i-doit/admin/index.php on line 139, referer: http://192.168.1.213/i-doit/?

Could you help us??

Thanksgiving and best regards