looks like a corrupted grub environment block. unfortunately hard to
tell why from this.
If you are still having this issue, please report a new bug.
** Changed in: grub2 (Ubuntu)
Status: New => Won't Fix
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** Tags removed: need-duplicate-check
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https://bugs.launchpad.net/bugs/193
Title:
package grub-common 2.04-1ubuntu26.13 failed to install/upgrade:
installed grub-common package