I’m sorry you’re hitting this issue! Can you share any images that became unlinked?
Please submit an issue from within Hype, using Help > Report an Issue, and if you can, include your system logs. This will help us determine what problem you’re hitting. Based on your document, it looks like you’re due for an update to Hype.
Please also keep in mind that you can recover your document (whether you upgrade your version of Hype or not) from an export of your animation by selecting Help > Restore document from Export. You will then need to select the exported hyperesources folder.