Issues with missing or broken parts of a web page, or loading issues can be frustrating. In many cases these can be caused by extra data or missing updates in a browser. Here are a few things to try that may help fix the issue:
1. While on 3Dsellers, press CRTL+F5 to do an 'advanced refresh' (be sure your current work is saved)
2. Open an incognito, or private window and try again
3. Try using a different browser
If these solutions do not work, please contact support and we'll be happy to help!