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 ('89b1bb14536fbe5f11f65b9d3b6f34e8', -1, 1713915410, 1713915410, '03119659', -9, 0, 0)

Line : 187
File : sessions.php