unavailable to delete any message

[Morimoto Kenji]

Description: Ubuntu 16.10
Release: 16.10

thunderbird:
  Installed: 1:45.5.1+build1-0ubuntu0.16.10.1
  Candidate: 1:45.5.1+build1-0ubuntu0.16.10.1
  Version table:
 *** 1:45.5.1+build1-0ubuntu0.16.10.1 500
        500 http://jp.archive.ubuntu.com/ubuntu yakkety-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu yakkety-security/main amd64 Packages
        100 /var/lib/dpkg/status

After updating to this version, delete icon in each messages, the delete item in pull down menu and the item in right click to any messages are not works at all without any errors or warnings.

[Morimoto Kenji (prairieplus)]

I found that 'Trash' file was removed in my profile folder,
even though 'Trash.msf' stil existed.

After "touch Trash ; chmod 777 Trash" this issue has been
totaly resolved.

I have no idea whether this issue is environment specific
or not, and why my Trash file was removed in upgrade time.