Melyns
Melyns
Make sure you close as many programs and browser tabs as possible, since you're vram limited you want as much free system ram as possible. I also get this error...
If im not mistaken the extension is made for Gradio 3, & forge is using Gradio 4. I also get these errors, had to switch to alternatives like https://github.com/altoiddealer/--sd-webui-ar-plusplus
How much vram & system ram do you have?
That should be enough to run that model. i recommend increasing swap file & restarting your pc. check out this post: https://github.com/lllyasviel/stable-diffusion-webui-forge/discussions/1474 
not sure but try this: 
I know your change was there for a reason but I wondered maybe you forgot to revert it. Thanks for the explanation.
I believe that was due to a memory leak bug in previous versions of Forge. Is your forge install up to date? if not make sure you update it!