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PDOException: 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? in lock_may_be_available() (line 167 of /kunden/551212_44793/rtarchiv/www.2017.ruhrtriennale.de/includes/lock.inc).