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) VALUES ('647ec9f9f80dfa37f5c996a9eb35e6e1', -1, 1714628316, 1714628316, '038e0cf0', 20, 0)

Line : 158
File : sessions.php