Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Go to any page
2. See error

Expected behavior
Page to load normally

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• Browser: Tested on Firefox and Chrome
• Version: Lastest docker container image

Additional context
Upgrade from a previous version

Config file:

$config[0]['label'] = 'Bacula Production';
$config[0]['host'] = 'my mysql host';
$config[0]['login'] = 'bacula';
$config[0]['password'] = 'my mysql password';
$config[0]['db_name'] = 'bacula';
$config[0]['db_type'] = 'mysql';
$config[0]['db_port'] = '3306';

connection to mysql is fine from inside docker container:

# nc -zv my-mysql-host 3306
Connection to  my-mysql-host port [tcp/*] succeeded!