Connection error: SQLSTATE[08006] [7] could not connect to server: Connection refused
	Is the server running on host "localhost" (::1) and accepting
	TCP/IP connections on port 5432?
could not connect to server: Connection refused
	Is the server running on host "localhost" (127.0.0.1) and accepting
	TCP/IP connections on port 5432?<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /var/www/vhosts/stellenmarkt-umweltschutz.de/httpdocs/api/objects/bundesland.php:28
Stack trace:
#0 /var/www/vhosts/stellenmarkt-umweltschutz.de/httpdocs/start/index.php(25): Bundesland-&gt;getSelectOptions()
#1 {main}
  thrown in <b>/var/www/vhosts/stellenmarkt-umweltschutz.de/httpdocs/api/objects/bundesland.php</b> on line <b>28</b><br />