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)=(84c919f55b4cea80c653c31814169b5b) 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 ('84c919f55b4cea80c653c31814169b5b', -1, 1711623273, 1711623273, '36a33e2a', 0, 0, 0)

Line : 187
File : sessions.php