"Can't access item" in Google Drive
Disabled file sharing
If you are trying to access a document that you previously had access to, and are seeing a message saying you can't access the item, and that "The organization that owns this item doesn't allow you to access it," it probably means that the document was owned by a disabled account, and file sharing was disabled on that account. The message should look similar to this:
If you need this document, please put in a Service Hub request for temporary access to the Google Drive document, including as much of this information as possible:
Name of the document
The owner of the document or possible owners
The URL or link to the document ie: https://docs.google.com/document/d/AbCD12345EFG
Approximate date the document was last accessed
Type of document, ie: sheet, google doc, pdf, etc.