phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b2fd9d286e9bc0976ed0b5615d2329e1' 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 ('b2fd9d286e9bc0976ed0b5615d2329e1', -1, 1758274307, 1758274307, 'd849d8a9', 9, 0, 0)

Line : 187
File : sessions.php