phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'df84bb37e049c7eab1434ed2cae5748e' 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 ('df84bb37e049c7eab1434ed2cae5748e', -1, 1739646149, 1739646149, '12e3be5d', 1, 0, 0)

Line : 187
File : sessions.php