phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9f0f88f710b3117b7ce2b9891833ee58' 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 ('9f0f88f710b3117b7ce2b9891833ee58', -1, 1765944866, 1765944866, 'd849d8b2', 4, 0, 0)

Line : 187
File : sessions.php