Anki Sync Failing

Tried to upload my cards to AnkiWeb. Out of nowhere it stopped working, and I kept getting this attached message. Now I’m unable to sync my cards. Does anyone know how to fix this? Any help would be greatly appreciated!

Is your hard disk full?

Hi, I am having this same issue today. I don’t think my disk is not full.How do I check, please?
Could you please help me. I have attached below a screen shot of error. Also, My desktop anki image. Thank you and I hope to hear from you soon.

Screen Shot 2021-06-10 at 8.59.16 AM

https://faqs.ankiweb.net/anki-2.0-support-has-ended.html