[Bug]: SAG: TypeError: 'NoneType' object is not iterable

[aolko]

Checklist

• The issue exists after disabling all extensions
• The issue exists on a clean installation of webui
• The issue is caused by an extension, but I believe it is caused by a bug in the webui
• The issue exists in the current version of the webui
• The issue has not been reported before recently
• The issue has been reported before but has not been fixed yet

What happened?

When turning on SAG forge bugs out with TypeError: 'NoneType' object is not iterable

Steps to reproduce the problem

1. Turn on SAG
2. Generate an image

What should have happened?

Generation should proceed as usual

What browsers do you use to access the UI ?

Google Chrome, Microsoft Edge, Other

Sysinfo

sysinfo-2024-06-28-06-09.json

Console logs

https://paste.ee/p/ergVT

Additional information

No response