I cannot read or compose email in Horde. When I click on a message to read it or the link to compose a new message, a new window opens with what appears to be a bunch of computer code, containing the following human readable errors:
This can be reproduced through their demo page at http://demo.horde.org/login.php
The language defaults to German even though I select English, but the result is the same.
I am using Brave version 0.22.22 on Lubuntu Linux xenial (16.04LTS) 4.4.0-121-generic kernel.