Troubleshoot the issue based on error code.
If this error is reported when an IAM user creates an instance, the IAM user does not have the permissions to access the corresponding storage location (OBS bucket).
Solution
If this error is reported, it is possible that the instance is consuming too many resources. If this is the case, stop the instance and restart it.
Notebook JupyterLab cannot be opened, and error 500 is reported. The possible cause is that the disk space in the work directory is used up. In this case, identify the fault cause and clear the disk by referring to .
After a notebook instance is created, click Open in the Operation column. The error message shown in the following figure is displayed.
Do as follows to resolve this issue: Copy the domain name of the page , add it to the Do not use proxy server for addresses beginning with text box, and save the settings.