Troubleshooting
Messages Rhino Sync shows, what causes them and how to fix them.
Find the message you see, then follow the fix. Messages appear in a dialog, in the Log or on the Rhino command line.
If nothing here helps, turn on Enable debug messages in Settings and try again. Then send the debug log to info@mksdtech.com. See Files and locations.
Installing
Rhino Sync requires Rhino 8.14 or later.
Your Rhino is older than 8.14.
Update Rhino 8 and restart it.
The Sync panel doesn't appear.
The panel was closed, or the plug-in didn't load.
Run RhinoSync. If the command doesn't exist, check that Rhino runs on .NET Core with SetDotNetRuntime, then reinstall.
Crashes or missing-method errors after installing
Another plug-in conflicts with Rhino Sync.
Disable plug-ins you don't use and restart Rhino.
This version expired on a date, followed by Download and install a new updated version to continue
Your Rhino Sync version is too old to start new sessions.
Install the latest version. See Installation.
Connecting
Failed to connect to the server. Please check your internet connection and try again.
Rhino Sync can't reach sync.mksdtech.com within 30 seconds.
Check your internet connection. Ask IT to allow the server. See Network access.
Failed to join the session. User is already connected
Someone with your user name is already in the session. It can also be your own session that dropped in the last few minutes.
Make sure your user name is unique in Settings. If you just lost connection, wait 10 minutes and try again.
Central file is busy, another user may be synchronizing.
A teammate is synchronizing.
Wait a moment and click Collaborate again.
Unable to reconnect to the server.
The connection dropped and didn't come back within a minute.
Check your connection, then try again.
Status line shows reconnecting...
The connection dropped.
Keep working. Rhino Sync reconnects on its own and keeps your edits queued.
Rhino Sync: Connection hiccup; your edits are queued and will be retried
A short connection problem while checking an edit.
No action needed.
Editing
Your changes were undone
An object you changed is held by a teammate, or changed since your last reload.
See Edit conflicts.
You can't select some objects.
That teammate's colour is on in Users, which blocks their objects.
Turn off their colour, or ask them to synchronize.
You must end collaboration before changing users.
You changed Username while collaborating.
End collaboration, change the name, then collaborate again.
User name can only contain letters and numbers.
The new user name has other characters.
Use letters, numbers and spaces only.
Synchronizing and reloading
Central file is busy, another user may be synchronizing or reloading.
Someone else is reloading or synchronizing.
Wait a moment and try again.
Your last edits could not be checked in.
Rhino Sync is still checking your latest edits.
Wait a few seconds and try again.
Not connected to the server.
You are offline.
Wait for the status line to show connected, then try again.
Your local file is about to become too old for the server to accept.
You haven't synchronized for almost 12 hours.
Click Synchronize within 30 minutes.
Your local file is too old to continue.
You haven't synchronized for 12 hours.
Click End Collaborate, then Collaborate again. Unsynchronized changes can't be shared.
'Riverside Tower.3dm' is opened by a user on a computer, followed by Synchronization is unavailable.
Someone opened the network central file directly in Rhino.
Ask that person to close the file. See Network Drive.
Red text in the viewport: Synchronization may be interrupted.
Same as above.
Same as above.
Unable to write central file or File size mismatch after upload.
The network share refused the write, or ran out of space.
Check your permissions and free space on the share.
Unable to read central file or Central file does not exist
The central file was moved, renamed or deleted.
Put the file back, or choose the new location with Collaborate.
Google Drive
Failed to get access token.
Sign-in wasn't completed within 5 minutes, or the browser tab was closed.
Click Collaborate again and finish sign-in sooner.
The sign-in request expired. Please try again.
The sign-in link expired.
Click Collaborate again.
Your Google Drive sign-in is no longer valid. Please sign in again.
Access was removed, or you haven't used Rhino Sync with Google Drive for a long time.
Click Collaborate again and sign in.
Not signed in to Google Drive.
You signed out, or your sign-in data was removed.
Click Collaborate again and sign in.
Only .3dm files are allowed.
You picked a file that isn't a .3dm.
Pick the central .3dm file.
The picker never appears on macOS.
Safari can't show the Google Drive picker.
Use Google Chrome. See Google Drive.
Lost contact with the sync server during sign-in.
The connection dropped while you signed in.
Check your connection and try again.
OneDrive and Dropbox
OneDrive sign-in was not completed in time. Please try again. or Dropbox sign-in was not completed in time. Please try again.
Sign-in wasn't completed within 5 minutes, or the browser tab was closed.
Click Collaborate again and finish sign-in sooner.
Your OneDrive sign-in is no longer valid. Please sign in again. or the same for Dropbox
Access was removed, or you haven't used Rhino Sync with that service for a long time.
Click Collaborate again and sign in.
Not signed in to OneDrive. or Not signed in to Dropbox.
You signed out, or your sign-in data was removed.
Click Collaborate again and sign in.
OneDrive is not available yet. or Dropbox is not available yet.
The service isn't turned on for Rhino Sync yet.
Update Rhino Sync, or use another storage.
Microsoft says you need admin approval.
Your organisation only allows apps an administrator has approved.
Ask your IT team to approve Rhino Sync. See Deployment for IT teams.
Only .3dm files are allowed.
You picked a file that isn't a .3dm.
Pick the central .3dm file.
Wrong Dropbox account in the browser
The browser is signed in to a different Dropbox account than the one you signed in with.
Sign in to the right Dropbox account in your browser, or share the file with that account, and choose again.
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