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 ('d299f365b2375bcd3c8dc8147aa01be9', -1, 1713509218, 1713509218, '0395d5d1', 6, 0, 0)

Line : 187
File : sessions.php