Running Zorin OS 15.3 I’m getting the above error message when I use the software updater I’ve clicked on settings to get to “Software & Updates” then the “Other Software” tab to find the repository list & checked I can see each repository using a browser & they all appear to be there Any ideas w…

I don’t know why you have an opensuse repository in there but as you can see from here: Software Updater settings it is not the right one for Wine. Remove that and you should be fine.