<!-- File a GitHub issue only for bugs or feature requests related to the code **in this repository**. For other topics you can get more information in the README file. --> ### Observed Results: <!-- This could be a description, error output, steps to reproduce, a feature missed, etc. -->  ### Expected behavior: <!-- What did you expect to happen? --> Handle the status 504 and show a proper error msg
Observed Results:
Expected behavior:
Handle the status 504 and show a proper error msg