Can't defined

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Catch: Wed Aug 12 16:43:49 2026

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[DBI.pm:748:warn] DBI connect('dbname=','kdb',...) failed: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: FATAL: Peer authentication failed for user "www-data" at ../lib/PDBC.pm line 2690. [PDBC.pm:2873:die] Can't call method "prepare" on an undefined value at ../lib/PDBC.pm line 2873, line 855.

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kdb_agent.cgx with Perl 5.038002 for linux