Can't Move Text Editor in H5P

I have an issue when i tried to edit some text using text editor in H5P.

I can fill the text box, but when after i done wrote it, i can't move that text into another side, then i just like freeze.
I can't press done button or remove button
Then, when i open the console log it give me this result
If someone can help to solve this, it really appriciate