Problems while searching for a new upstream version

package:
pth
severity:
high
created:
2018-05-26
last updated:
2018-06-20

uscan had problems while searching for a new upstream version:
In watchfile debian/watch, reading webpage
  http://ftp.ossp.org/pkg/lib/pth/ failed: 500 Can't connect to ftp.ossp.org:80