Publish Of Workflow Project To Orchestrator Failed. An Error Has Occurred - KB

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

There can be many reasons for this issue.

Issue #1: If the Size of the project folder is more than 30 MB
Solution: Refer to Increasing the Size Limit Of Package Files.

Issue #2: Junk/Corrupted files
Solution:

  1. Close the UiPath studio, Navigate to the location of the project, delete the below, and then try to publish again.
  2. Delete all Autosaved xaml file.
  3. Delete all test files.
  4. Delete all temp file (if found any).
  5. Now verify.

Issue #3: Memory issues on the Nuget server
Solution:
  1. Verify the availability of the disk space in the Nuget server.
  2. If it is low in memory then clean up its disk.
  3. Memory being full, disables the possibility to publish the package.

Issue #4: Orchestrator Certificate issue
Solution:
  1. Try disconnecting and reconnecting the robot with the Orchestrator. If it is not possible to connect Robot with a remote certificate error, then check if the certificate in Orchestrator is expired.
  2. Go to IIS --> Websites --> Bindings.
  3. Update the certificate and reconnect the robot with Orchestrator.
  4. Should be able to publish to Orchestrator now.

Issue #5: Network issue
Solution:
  1. Verify the network and check if the package is getting stuck/rejected at any node.
  2. 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.