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 ('7c409897aadc5a0c7dba68743bcd9ae0', -1, 1711720766, 1711720766, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php