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 ('6bb5bd8021906d9338d0e4d2aeffe478', -1, 1714629282, 1714629282, '12bf05ef', -4, 0)

Line : 158
File : sessions.php