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 ('1f95ec5f90ec8e1327b0db446af8bbe9', -1, 1568941868, 1568941868, '12ce107b', 1, 0, 0)

Line : 189
File : sessions.php