phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : -1 ERROR: duplicate key value violates unique constraint "phpbb_session_pkey" DETAIL: Key (session_id)=(a16465aa449130a9fa5df5d4786995c0) already exists.

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a16465aa449130a9fa5df5d4786995c0', -1, 1715111563, 1715111563, '0d3af4d8', 132, 0, 0)

Line : 187
File : sessions.php