Cannot create "New NoteBook Entry" with "Link only"

[zjuasmn]

Reported URL

http://nasa-mct-notebook.herokuapp.com/

TC Number Set

TC 11-20 TC 41-50

Reproduction Steps

1. Press Right click anywhere in Objects Context Area
2. Select 'New NoteBook Entry'
3. Enter text with the combination of Alpha-Numeric and with Special Characters in 'Entry' text box
4. Select 'Link only' from Embed Type dropdown
5. Select 'Flight1 Monitor' notebook folder from 'Save In Notebook' dropdown
6. Click 'Ok'
7. Check Flight1 Monitor Notebook for new entry
8. Check the notification 'Notebook Entry created'

Expected Result

New notebook entry should be saved in Flight1 Monitor folder

Actual Result

No new entry is created.
Console has warning "html2canvas timed out" and error "Error: Tried to link objects without validating first."

Screenshots

Issue Information

Frequency: Every time

Device: iMac

OS: macOS High Sierra

Browser: Chrome v62