How do I fix iCloud issue of stop sharing my documents and won't collaborate on new documents?

Hi suekatsue,

We're happy to provide some assistance.

Based on your original post, we recommend the troubleshooting steps via the link below since you have difficulty sharing your folders and files with others using iCloud File Sharing.

Use iCloud File Sharing to share folders and documents with others - Apple Support

To perform the troubleshooting actions recommended by the article above, please read through and complete the steps in the "Share folders or documents " section.

We recommend these steps because they help move our troubleshooting efforts towards a resolution by directly addressing the issue you initially reached out to the community about, which is not being able to share your documents via iCloud.

If the original problem persists after trying our suggested troubleshooting steps, provide us with specifics on what you see for more help, and we will continue from there.

Also, we noticed that you're unable to collaborate on documents. Is that correct? If so, give the steps in the link below a try.

Collaborate on a shared Pages document on iPad - Apple Support

Thanks for using the Apple Support Communities.

Cheers!