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 ('1ba9cf55ee36bd7ecf2a2eda5e8c9a95', -1, 1713558726, 1713558726, '03922523', -2, 0, 0)

Line : 187
File : sessions.php