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 ('5591747fa86a12f1a8a2b0d99bef53bb', -1, 1711726706, 1711726706, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php