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 ('0ef4cbcea87746de07452e7c34519496', -1, 1563601667, 1563601667, '12cef11a', 12, 0, 0)

Line : 189
File : sessions.php