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)=(2fef9f7ef13dc52323ea60cb047f7b2a) 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 ('2fef9f7ef13dc52323ea60cb047f7b2a', -1, 1714289015, 1714289015, '03951ab0', -4, 0, 0)

Line : 187
File : sessions.php