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 ('2c2892e4a47e0af38f342e4a5f5a96f6', -1, 1711722978, 1711722978, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php