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 ('7beec8e21a77a4f6f31e1f9f9b6fe6e6', -1, 1711715108, 1711715108, '03dba7a3', -2, 0, 0)

Line : 187
File : sessions.php