Yesterday night, I made a drawing in LibreOffice, saved it, and closed the program. Today, when I tried to open the drawing from LibreOffice, it threw up the following error box:
How do I fix this? Can I recover the original drawing?
The temporary file does not exist, it is deleted on closing the document.
Where did you save the file to? The most likely location is Documents folder. Or you could search for the file using Windows search tools.
If you actually saved a document into a temporary folder then it could be gone, that is why they are called temporary.