This bug was fixed in the package grub2-signed - 1.66.14
--------------- grub2-signed (1.66.14) xenial; urgency=medium
* Rebuild against grub2 2.02~beta2-36ubuntu3.14. (LP: #1642298)
-- dann frazier <email address hidden> Mon, 25 Sep 2017 09:36:55 -0600
This bug was fixed in the package grub2-signed - 1.66.14
---------------
grub2-signed (1.66.14) xenial; urgency=medium
* Rebuild against grub2 2.02~beta2- 36ubuntu3. 14. (LP: #1642298)
-- dann frazier <email address hidden> Mon, 25 Sep 2017 09:36:55 -0600