Error Unexpected error while saving file: python_script/EQW/Untitled2.ipynb unable to open database file

I run https://notebooks.jasmin.ac.uk/, but everytime I try to launch new notebook or open my previous script it says:

Error
Unexpected error while saving file: python_script/EQW/Untitled2.ipynb unable to open database file

or when i open my saved script:
File Load Error for 01_spatial_EQW_projection.ipynb
Unhandled error

Why is this happening? When I ask chatGPT, it give me:
The error messages suggest issues with the backend storage or database configuration of your Jupyter Notebooks environment hosted on the Jasmin platform. But none of the approach is working. Could anyone helps with this?
Really appreciate your help.

I think you’ll need to contact the jasmin.ac.uk helpdesk. There’s a link on
Support Commitment | JASMIN Accounts Portal