TypeError: Failed to execute 'observe' on 'ResizeObserver': parameter 1 is not of type 'Element'.

[vijayalakshmi12manickam]

I can't able to install the npm because there is dependency conflict.
So I used the file directly, then I got the below error.
TypeError: Failed to execute 'observe' on 'ResizeObserver': parameter 1 is not of type 'Element'.