- 
    Bug 
- 
    Resolution: Won't Do
- 
    P2: Important 
- 
    None
- 
    5.15.2
- 
    None
Steps to reproduce:
1. Run Qt Quick Demo - Calqlatr
2. Press the icon marked on the screenshot

Expected: Animation should be executed without errors.
Actual: Runtime error occurs.
  
Tested with Qt 5.15.2 (commercial) on Windows 10 (MSVC 2015, 64 bit).

