Currently the error will clear if you navigate away from the Constraints section.
So far all attempts to refresh the control at load have had no effect.
Since this element has been changed to read-only I am not sure if a Focus() is triggering properly.
Copied from original issue: Innovate-Inc/EMEMetadataToolKit#145
From @joeponcy on March 15, 2017 22:20
Currently the error will clear if you navigate away from the Constraints section. So far all attempts to refresh the control at load have had no effect. Since this element has been changed to read-only I am not sure if a Focus() is triggering properly.
Copied from original issue: Innovate-Inc/EMEMetadataToolKit#145