[BUG] Error: Operator "@voxel51/operators/list_workspaces" not found

[ivonilsson]

Describe the problem

When launching the FiftyOne web app, I encounter the following error in the browser console:

Error: Operator "@voxel51/operators/list_workspaces" not found
    at getLocalOrRemoteOperator (http://localhost:5151/assets/index-DPnB2SFW.js:5117:11107)
    at useOperatorExecutor (http://localhost:5151/assets/index-DPnB2SFW.js:5117:36793)
    at useInvocationRequestExecutor (http://localhost:5151/assets/index-DPnB2SFW.js:5117:39050)
    at RequestExecutor (http://localhost:5151/assets/index-DPnB2SFW.js:8785:2131)
    at Xh (http://localhost:5151/assets/index-DPnB2SFW.js:31:21729)
    at Wk (http://localhost:5151/assets/index-DPnB2SFW.js:33:48569)
    at Vk (http://localhost:5151/assets/index-DPnB2SFW.js:33:43841)
    at Uk (http://localhost:5151/assets/index-DPnB2SFW.js:33:43762)
    at Jk (http://localhost:5151/assets/index-DPnB2SFW.js:33:43602)
    at Ok (http://localhost:5151/assets/index-DPnB2SFW.js:33:39578)

Code to reproduce issue

import fiftyone as fo
import fiftyone.zoo as foz

if __name__ == "__main__":
    dataset = foz.load_zoo_dataset("quickstart")
    session = fo.launch_app(dataset, port=5152)
    session.wait()

System information

• OS version Windows 11
• Python version (python --version): 3.10.6
• FiftyOne version (fiftyone --version): 1.3.0
• FiftyOne installed from (pip or source): pip

Willingness to contribute

The FiftyOne Community encourages bug fix contributions. Would you or another
member of your organization be willing to contribute a fix for this bug to the
FiftyOne codebase?

• Yes. I can contribute a fix for this bug independently
• Yes. I would be willing to contribute a fix for this bug with guidance
  from the FiftyOne community
• No. I cannot contribute a bug fix at this time

[sunilkahalekar]

I also face the same problem. If anyone has a solution please let me know.

[cprimex]

Faced the same problem.
Downgrading to 1.2.0 fixed the problem for me so it may be a regression.