Upgraded to the 2018 version. In doing so, i lost my two extentions, Tig Roof and Dashed Lines. Tried to install Tig Roof from Plugin in store. I get this error message. "This file does not have an app associated with it for performing this action. Please insstall an app or, if one is already installed, create an association in the Default Apps Setting Page." Anyone have experience this situation?