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 ('4c9e14369b4c7faae90b7c3e35e5e5e1', -1, 1711639754, 1711639754, '54ccfc03', -10, 0, 0)

Line : 187
File : sessions.php