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 ('a82ffa30eea2e11f867e75a8053b54e1', -1, 1560896031, 1560896031, '12d7a113', 15, 0, 0)

Line : 189
File : sessions.php