Uncaught DOMException: Failed to execute 'createElementNS' on 'Document': The qualified name provided ('[object HTMLDivElement]') contains the invalid name-start character '['.

[Edan0615]

This error may indicate that it makes bootstrap modal not able to be used

[Edan0615]

I tried to see if anything I could help.

It appears to be this code after researching

this might resolve problem

[zbryikt]

it seems to be conflict between loading-bar and other 3rd libraries. For a quick fix you can try if removing g.append works since this preventing potential issue from conflicts. :)