Problem with mirror extension


what is the solution please?


where have you downloaded these from?
they both look like they are old versions from pre v2013…



That error shows it’s a very old version - not compatible with >= v2014
Get the latest version of the Mirror plugin from here:
If you are not a member of SketchUcation it’s easy to join - annual membership is inexpensive and offers freebies and SCF Shop discounts etc - but there is a free-membership option which still allows you to download Plugins too…