Share Email Facebook Twitter LinkedIn Troubleshooting: Open Cloud Model Failed Learn how to resolve issues encountered when opening a non-workshared cloud model. Topics in this section Only One Person Can Work on a Cloud Model at a Time (Cloud Models for Revit) Warning: Open the model has been opened by the other user. Sign In to Open a Cloud Model (Cloud Models for Revit) Warning: Sign in before opening cloud model. You Don't Have Permission to Perform This Action (Cloud Models for Revit) Warning: You don't have permission to perform this action. Parent topic: Troubleshooting: Cloud Models for Revit