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<b>Warning</b>:  pg_connect(): Unable to connect to PostgreSQL server: connection to server at &quot;localhost&quot; (127.0.0.1), port 5432 failed: Connection refused
	Is the server running on that host and accepting TCP/IP connections?
connection to server at &quot;localhost&quot; (::1), port 5432 failed: Connection refused
	Is the server running on that host and accepting TCP/IP connections? in <b>/var/www/vhosts/du-sites.gr/ai-test.du-sites.gr/index.php</b> on line <b>19</b><br />
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<b>Deprecated</b>:  pg_last_error(): Automatic fetching of PostgreSQL connection is deprecated in <b>/var/www/vhosts/du-sites.gr/ai-test.du-sites.gr/index.php</b> on line <b>20</b><br />
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<b>Fatal error</b>:  Uncaught Error: No PostgreSQL connection opened yet in /var/www/vhosts/du-sites.gr/ai-test.du-sites.gr/index.php:20
Stack trace:
#0 /var/www/vhosts/du-sites.gr/ai-test.du-sites.gr/index.php(20): pg_last_error()
#1 {main}
  thrown in <b>/var/www/vhosts/du-sites.gr/ai-test.du-sites.gr/index.php</b> on line <b>20</b><br />