TypeError: $.fn.DataTable.Responsive is undefined

Minimäx

Hello, im trying to set child rows to always open
https://datatables.net/extensions/responsive/examples/display-types/immediateShow.html
responsive: {
details: {
display: $.fn.DataTable.Responsive.display.childRowImmediate,
type: ''
}
}

But im getting this error:
TypeError: $.fn.DataTable.Responsive is undefined

What can I do?

allan

Sounds like Responsive's Javascript hasn't been loaded. Use the download builder to include Responsive.

Allan

Minimäx

Thanks, but now im getting this error:

TypeError: a is null