phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f84591816e151d441d9a8a4c60374369' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f84591816e151d441d9a8a4c60374369', -1, 1761510014, 1761510014, 'd849d821', -9, 0, 0)

Line : 187
File : sessions.php