Correct Calendar Not Showing

Hello All!
So can't get "NEXT MONTH" to actually show the next month unless I rightclick/open in a new tab. What am I missing here? I have included the shortcodes used below along with screenshot. Thank you in advance.

[app_my_appointments]
[app_services] [app_service_providers]
[app_monthly_schedule]
[app_pagination month="1"]
[app_login]
[app_confirmation]
[app_paypal]