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 ('f0ea96ab80ea3f24095c1e5cce6aa28d', -1, 1714009178, 1714009178, '038b484e', -11, 0, 0)

Line : 187
File : sessions.php