I got this error too, in Ubuntu 15.04 64-bit while copying a folder with a colon in the name. Removed the colon, solved the problem! Hope it helps someone
** Changed in: mtp (Ubuntu) Status: Invalid => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1369651 Title: "libmtp error: Could not send object info" when copying content to root MTP folder To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mtp/+bug/1369651/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs