Uncaught TypeError: year.calendar is not a function

[basselhossam]

I'm getting an error
Uncaught TypeError: year.calendar is not a function
at GregorianCalendar._validate (jquery.calendars.js:747)
at GregorianCalendar.newDate (jquery.calendars.js:429)
at GregorianCalendar.fromJSDate (jquery.calendars.js:966)
at GregorianCalendar.today (jquery.calendars.js:443)
at d.setDate (jquery.calendars.picker.js:1370)
at d._attachments (jquery.calendars.picker.js:683)
at d._postAttach (jquery.calendars.picker.js:623)
at d._postAttach (....\src\js\jquery.plugin.js:37)
at d._attach (....\src\js\jquery.plugin.js:198)
at HTMLInputElement. (....\src\js\jquery.plugin.js:169)

I'm also using daterangepicker
and when I remove it the error is gone so apparently there is a conflict
I also find similar problem on stackoverflow on similar problem
https://stackoverflow.com/questions/43777269/date-js-conflicting-with-the-keith-wood-calendar-picker

so how can I use this picker along with daterangepicker ?

[kbwood]

What is daterangepicker? The calendars picker already provides the ability to choose a date range. Can you provide a page that shows the problem?