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 ('cc161f0b3119f77db2faeb74617a1fc1', -1, 1553299660, 1553299660, '34c91bd3', 13, 0, 0)

Line : 189
File : sessions.php