This often happens when the link is truncated in an email or message. Ask the sender to paste the full link as plain text.
The owner has disabled access requests. You must be directly added via email address. This often happens when the link is truncated
Paste the broken string into a URL decoder like urlencoder.org. Sometimes spaces are actually %20 characters misrepresented. This often happens when the link is truncated
If the file belongs to a company or school, you may need to log in with their specific email domain (e.g., @company.com). This often happens when the link is truncated