Error when open editor

Open editor with `./Groot-1.0.0-x86_64.AppImage` or run `./Groot-1.0.0-x86_64.AppImage --mode editor` got following:
```
terminate called after throwing an instance of 'std::length_error'
  what():  basic_string::_M_create
[1]    130494 abort (core dumped)  ./Groot-1.0.0-x86_64.AppImage
```
ubuntu 20.04
gcc: 9.4.0
qmake: 3.1, QT version: 5.12.8