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) VALUES ('f1fad9db1689dc5405d1a3ed4da6d71d', -1, 1714718331, 1714718331, '12dc89a4', 10, 0)

Line : 158
File : sessions.php