phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb2_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c7afe980c163e73bdb447878256c44f8', -1, 1590297575, 1590297575, '03e7dce1', 0, 0, 0)

Line : 172
File : sessions.php