I cannot save PNg nor Jpeg files even though I press export as... or click on download. nothing is saved

I am experiencing a critical issue with the Firefly board. After several hours of work, the 'Save' button is unresponsive. I am unable to export my project as a JPEG or PNG. Additionally, the PDF export is completely broken—the output is fragmented into multiple parts and does not maintain the correct dimensions or layout of my original design. I need to export this work in the correct format immediately without losing my progress.