phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f15cb2864cf52d379ad2874734814888' 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 ('f15cb2864cf52d379ad2874734814888', -1, 1715033847, 1715033847, 'c0a80201', -2, 0, 0)

Line : 187
File : sessions.php