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)=(466c9a2d60572006e6e966b4b801f6a2) 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 ('466c9a2d60572006e6e966b4b801f6a2', -1, 1714304269, 1714304269, '0391696c', -11, 0, 0)

Line : 187
File : sessions.php