phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '874477333057581f6f364cb2328a1728' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('874477333057581f6f364cb2328a1728', -1, 1726880106, 1726880106, '12e175e9', 0, 0, 0)

Line : 187
File : sessions.php