phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('86cd73e1f35ea838057ce618f1e0b46a', -1, 1714018527, 1714018527, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php