This is the error message when I try to upload spfx webpart, nothing wrong webpart because I can upload it to new created site, but cant replace with existing one.

how can I resolve this?

This is the ss


In this kind of situation I usually go to recycle bin and delete everything related to the app and app itself. Then go to the second stage recycle bin and do the same.

That might help, give it try. In most situations you don't need to increase version number.

  • "second stage recycle bin" what do you mean by that ? I already did first – TyForHelpDude Feb 9 '17 at 22:26

This error can occur if you don't manually update the app version number in the app manifest file (Appmanifest.xml).As you can add it on new site but not on existing so it is clearly the version number issue.

To resolve this issue, use a later version number in the App element of the Appmanifest.xml file.

"A different version of this App is already installed with the same version number" error when you try to update a SharePoint app


When you click on "Technical Details" you get a correlation id. Copy it then go the the SharePoint Trace Logs on your server and search for it.

You can use the following command to get the corresponding log:

get-splogevent -starttime (get-date).addminutes(-20) | where-object { $_.correlation -eq “..........” } | fl message > c:\errors.txt
  • And then ? Dont I suppose to delete something ? – TyForHelpDude Feb 9 '17 at 21:15
  • Totally not applicable to SPO – Eric Alexander Feb 9 '17 at 22:07

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.