Publish of workflow project to Orchestrator failed. An error has occurred. - KB

How to resolve the error received during the Publish of workflow project to Orchestrator fails -" An error has occurred.- Error from Studio while publishing a project" ?

There can be many reasons for this issue. 

Issue 1 : If Size of project folder is more than 30 MB
Solution:  Kindly implement the suggested solution by clicking here .

Issue 2: Junk/Corrupted files
Solution: Close the UiPath studio, Navigate to the location of the project , delete the below and then try to publish again

   - Delete all Autosaved xaml file
   - Delete all test file. 
   - Delete all temp file (if found any)
  Now verify
 
Issue 3: Memory issues on Nuget server:
Solution : - Verify the availability of the disk space in nuget server.
 - If it is in low in memory than clean it up its disk
 - Memory being full, disables the possibility to publish the package.

Issue 4 : Orchestrator Certificate issue 
Solution :  - Try disconnecting and reconnecting robot with Orchestrator. If you are unable to connect robot with a remote certificate error, then check if the certificate in Orchestrator expired. Go to IIS --> Websites --> Bindings.
  - Update the certificate and reconnect robot with Orchestrator. Should be able to publish to Orchestrator now.

Issue 5: Network issue 
Please verify the network and check if the package is getting stuck/rejected at any node. 
We noticed for one of our client that the request goes to the load-balance --> Then to Kubernetes --> Followed by Ingress. And there the limitation was set to 1 MB which was causing the issue.