phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2b0e328fefa9c0b8482a50da0fca30e6', -1, 1713940071, 1713940071, '030fdd43', -10, 0, 0)

Line : 187
File : sessions.php