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 ('1f71834ea10e40b366543792a36b3d35', -1, 1752390870, 1752390870, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php