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 ('5a6c2b00f2e8a317ef90aeb4840f230d', -1, 1748151902, 1748151902, '038a7ee9', 2, 0, 0)

Line : 190
File : sessions.php