FileNotFoundError on app open randomly

What I’m trying to do:
I am just trying to open my app.

What I’ve tried and what’s not working:
The issue seems to have resolved itself, however upon opening my app for a few hours this morning, I encountered the following error in the logs:

FileNotFoundError: [Errno 2] No usable temporary directory found in ['/tmp', '/var/tmp', '/usr/tmp', '/downlink']
at /usr/local/lib/python3.7/tempfile.py, line 229
called from /usr/local/lib/python3.7/tempfile.py, line 294
called from /downlink/anvil/files/__init__.py, line 46
called from /downlink/anvil/files/__init__.py, line 255
called from tracking_poll, line 4
called from /downlink/anvil_downlink_worker/__init__.py, line 81
called from /downlink/anvil_downlink_worker/__init__.py, line 223
called from Form1, line 123
called from Form1, line 123

I still have lots of space left in my plan and nothing has changed to trigger the app not working and then working again. Is this issue internal? or something I need to address? I cannot have this happen randomly since the app is used every day.

For context, the traceback goes back to the line:

import anvil.files

Thanks :slight_smile: