Caught exception: SQLSTATE[08006] [7] could not connect to server: Connection refused
	Is the server running on host "127.0.0.1" and accepting
	TCP/IP connections on port 5432?
Erro ao conectar ao banco de dados<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /var/www/subdomains/library.electricink.com.br/produto/model/documentsModel.php:155
Stack trace:
#0 /var/www/subdomains/library.electricink.com.br/produto/controller/FilesController.php(23): Documents-&gt;documents_list()
#1 /var/www/subdomains/library.electricink.com.br/produto/index.php(33): FilesController-&gt;download()
#2 {main}
  thrown in <b>/var/www/subdomains/library.electricink.com.br/produto/model/documentsModel.php</b> on line <b>155</b><br />