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 ('566c80f163c6ca685c80769503329d5e', -1, 1752877501, 1752877501, '54ccfc03', 5, 0, 0)

Line : 187
File : sessions.php