Datepicker Not Showing On Server

Hi there,

Datepicker seems to work fine on my local PC at home and on mobile, however, once in a server environment the option is not visible and when the correct date format is entered manually it’s still saying its not a valid date format.

Please help.

http://gladstoneroadservice.com/make-an-appointment/

https://ww.wp.xz.cn/plugins/contact-form-7-datepicker/