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 ('d4e31f43cdbc1626a9bc7d88e5c117cc', -1, 1752294624, 1752294624, 'd849d88e', -4, 0, 0)

Line : 190
File : sessions.php