Ralph Asset Management System - User Group

Problems in the Installation

Following the guied, https://ralph-ng.readthedocs.io/en/stable/installation/installation/, I install all in a new virtual Ubuntu Bionic 18.04, the page of login is displayed but when i put the user and password the page send me a Server Error (500), im new in this, so I hope if you could help me, I appreciate it @vi4m

Tnks