I Cant get a PNG To Be Exported

**Describe the bug**
I Cant get a PNG To Be Exported Properly

**To Reproduce**
Steps to reproduce the behavior:
1. Go to BULB
2. Click on Export PNG
3. Scroll down to Files
4. See error

**Expected behavior**
I Expected to see a image of my line, but instead i see nothing

**Desktop (please complete the following information):**
 - OS: [Windows]
 - Browser [Edge]
 - Version [11]
