I am migrating kentico 11 portal engine to 12 portal engine with the help of CodeUpgrade tool and Upgrade_11_0_12_0. But I am getting the error on UniSelectorWithEditor.ascx.cs file for Validation...

We are currently on Kentico EMS V.7 but when our site(s) was created there was not any mobile device layouts setup. an out entire site is build around ASPX+Portal templates so we don't have the edi...

I've just migrated over all of the files, and database for one of our Kentico sites, and it's now forcing me to re-run the installer, and I can't work out any way to bypass this.I'm assuming someth...