phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5ff66c5738e3614fc731d0ca0e864f13' 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 ('5ff66c5738e3614fc731d0ca0e864f13', -1, 1715104715, 1715104715, 'c0a80201', -2119, 0, 0)

Line : 187
File : sessions.php