Toolset Messages › General Error Messages › You already have model <variable>s open. Selecting 'Yes' reloads this model from disk resulting in the loss of any changes since the last save. Do you want to reload?

You already have model <variable>s open. Selecting 'Yes' reloads this model from disk resulting in the loss of any changes since the last save. Do you want to reload?

Select Yes to discard all changes and start over.

Select No to keep the changes and save the model.