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 ('2b2035fb3c7cdd213d1b461781eef9e3', -1, 1752880107, 1752880107, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php