Thank you for the patches. Patch #3 → used in new release 1.0.2 → .
Same issue described in #3347826 🐛 all admin-structure menus(Content Types, Taxo, Menu, Views, etc) are inaccessible after activating entity_copy_reference module Needs review .
Patch #2 → applied in release 1.0.2 →
Patch applied to new release 1.0.2 →
Thank you everyone. Patch committed to the dev branch.
Thank you gowthamrajkrishnasamy!
dmcosta → made their first commit to this issue’s fork.