title: Why PgAdmin 4 can't create database?
body: <p>I install pgadmin 4 from apt and latest postgres 10 from Docker. And I can't create database. When I try to create it I get error "Error saving properties. Click for details"</p>
  
  <p>Version2.1
  CopyrightCopyright 2013 - 2018, The pgAdmin Development Team
  Python Version3.5.2 (default, Nov 23 2017, 16:37:01) [GCC 5.4.0 20160609]
  Flask Version0.10.1
  Application ModeDesktop
  Current Userpgadmin4@pgadmin.org</p>