This is the error that show in modeller
Please file a ticket with Support, this is not something the Forum can help you with
Try to open the app in Web Modeler and start deployment from there. Don't ask me why, but sometimes this trick works.
Unfortunately I had there a case once where MX support was unable to resolve issue with deploying the app and after two months I got answer “create a new app” (what means loss of data as restore is not possible across apps in FreeApp)
When i try to edit in web modeller….