What is the meaning of the 404 error when deploying dispatch.yaml using gcloud app?

edit

The 404 error when deploying dispatch.yaml using gcloud app typically means that the specified resource or endpoint could not be found. This error message could indicate that there is an issue with the configuration of your dispatch file or that the specified resource or endpoint is no longer available. It is recommended to carefully review the configuration of your dispatch file and to ensure that all resources and endpoints are correctly specified.