[Bug 1577056] [NEW] The following signatures were invalid: NODATA 1 NODATA 2

[Craig Clifford]

Public bug reported:

W:GPG error: http://archive.ubuntu.com precise-updates InRelease:
Unknown error executing gpgv, E:GPG error: http://all.repository
.backtrack-linux.org revolution InRelease: The following signatures were
invalid: NODATA 1 NODATA 2

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  The following signatures were invalid: NODATA 1 NODATA 2

Status in update-manager package in Ubuntu:
  New

Bug description:
  W:GPG error: http://archive.ubuntu.com precise-updates InRelease:
  Unknown error executing gpgv, E:GPG error: http://all.repository
  .backtrack-linux.org revolution InRelease: The following signatures
  were invalid: NODATA 1 NODATA 2

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