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 ('267f9702bdefa989ded803b038c51696', -1, 1711701646, 1711701646, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php