phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('63c186268691dd9afc1a0be0dd12d1d3', -1, 1715058813, 1715058813, '038cf2a5', -8, 0, 0)

Line : 189
File : sessions.php