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 ('fa78b0a9213c2da0c0250153914c847b', -1, 1713530565, 1713530565, '03810dc9', -11, 0, 0)

Line : 187
File : sessions.php