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 ('75b1a38e59a7141162c70e36d2db6185', -1, 1711699865, 1711699865, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php