1) 'The document “*.numbers” could not be opened. ' and 2) '"untitled" can't be opened right now. Numbers couldn't read the file'
1) occurs when I try to open ANY
numbers file. 2) happens when I try to save the current "untitled.numbers" file that is open, created from a new file. I've rebooted and reloaded Numbers. I'm able to access some files using a browser at iCloud.com but not with Numbers on my Mac.
Numbers V. 6.2 (6520)
Macbook Pro running 10.15.1
MacBook Pro, OS X 10.11