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 ('e7318dc969fe5f37682bed8b987b4a6e', -1, 1730420088, 1730420088, '038d2a05', -1280, 0, 0)

Line : 195
File : sessions.php