Error couldn't find file 'jquery.validate/jquery.validate.min'

[chayawit]

I installed Spree and it worked fine.

Right after installing spree_flexi_variants, I receive this error:

ActionView::Template::Error (couldn't find file 'jquery.validate/jquery.validate.min' with type 'application/javascript'

I had to workaround by downloading the min file and put it in /vendor/assets/javascripts/jquery.validate.

Can you suggest a better solution please?

I am new and there might be something missing.