This just happened again in Ubuntu 16.04.5. I had to completely delete the .shutter folder and re-setup ftp credentials.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1642643 Title: Shutter Forgets FTP Credentials for Uploading Screenshots To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shutter/+bug/1642643/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs