phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ffcb1fb75839f3cd5619720470ca20cd' 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 ('ffcb1fb75839f3cd5619720470ca20cd', -1, 1715903848, 1715903848, 'c0a80201', 30, 0, 0)

Line : 187
File : sessions.php