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 ('4238c913680ff3ac99e6d3a374ef4d7b', -1, 1737597763, 1737597763, '030fe779', 2, 0, 0)

Line : 187
File : sessions.php