parse fatal: Document is empty

What is your operating system?
Windows 11 64-bit

What is your Shotcut version (see Help > About Shotcut)?
shotcut-win64-231215

Can you repeat the problem? If so, what are the steps?
[producer_xml] parse fatal: Document is empty
row: 1 col: 1
Failed to load “xml:C%3A%2FUsers%2FDavid%20Lin%2FAppData%2FLocal%2FTemp%2Fshotcut-rdPDHU.mlt”
[producer_xml] parse fatal: Document is empty
row: 1 col: 1
Failed to load “xml:C%3A%2FUsers%2FDavid%20Lin%2FAppData%2FLocal%2FTemp%2Fshotcut-rdPDHU.mlt”
Completed successfully in 00:00:00

No steps to reproduce it, and I cannot fix it. There is File > Backup and Save, and your operating system has backup features use them. The next version will have automatic periodic Backup and Save to avoid this problem.