phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cbf991a13fa615d14d8543e07f864716' 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 ('cbf991a13fa615d14d8543e07f864716', -1, 1714099906, 1714099906, '12dafe7a', 9, 0, 0)

Line : 187
File : sessions.php