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 ('b79e3a37abfc61f2c06c6a72c232ab1d', -1, 1762711627, 1762711627, 'd849d858', 2, 0, 0)

Line : 187
File : sessions.php