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 ('184371b2bd9a40afb0b040c17dccc537', -1, 1715142466, 1715142466, '03915882', 3, 0, 0)

Line : 187
File : sessions.php