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error while upgrading

Posted: 08 Jul 2020, 09:08
by hussain92
Hello friends
im getting error while upgrading mantis to higher 2.17 to 2.24 version as

Attempting to connect to database as admin ::: BAD Does administrative user have access to the database? ( php_network_getaddresses: getaddrinfo failed: Name or service not known )

what this solution??