我正在尝试禁用datepicker日历中的过去日期，但这给我一个错误。在我的控制台中，错误是datepicker不是功能。
根据我的调查，问题可能出在我网站的页眉和页脚中调用了库。有时可能会发生冲突，或者排序可能是错误的。我曾尝试修改相同的内容，但错误仍然相同。
下面是我的页眉和页脚中的库。任何建议将不胜感激。
标题
<!-- Bootstrap -->
<link href="<?php echo base_url();?>assets/admin/vendors/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet">
<!-- Font Awesome -->
<link href="<?php echo base_url();?>assets/admin/vendors/font-awesome/css/font-awesome.min.css" rel="stylesheet">
<!-- NProgress -->
<link href="<?php echo base_url();?>assets/admin/vendors/nprogress/nprogress.css" rel="stylesheet">
<!-- iCheck -->
<link href="<?php echo base_url();?>assets/admin/vendors/iCheck/skins/flat/green.css" rel="stylesheet">
<!-- bootstrap-progressbar -->
<link href="<?php echo base_url();?>assets/admin/vendors/bootstrap-progressbar/css/bootstrap-progressbar-3.3.4.min.css" rel="stylesheet">
<!-- JQVMap -->
<link href="<?php echo base_url();?>assets/admin/vendors/jqvmap/dist/jqvmap.min.css" rel="stylesheet"/>
<!-- bootstrap-daterangepicker -->
<link href="<?php echo base_url();?>assets/admin/vendors/bootstrap-daterangepicker/daterangepicker.css" rel="stylesheet">
<!-- Custom Theme Style -->
<link href="<?php echo base_url();?>assets/admin/build/css/custom.min.css" rel="stylesheet">
<!-- Datatables -->
<link href="<?php echo base_url();?>assets/admin/vendors/datatables.net-bs/css/dataTables.bootstrap.min.css" rel="stylesheet">
<link href="<?php echo base_url();?>assets/admin/vendors/datatables.net-buttons-bs/css/buttons.bootstrap.min.css" rel="stylesheet">
<link href="<?php echo base_url();?>assets/admin/vendors/datatables.net-fixedheader-bs/css/fixedHeader.bootstrap.min.css" rel="stylesheet">
<link href="<?php echo base_url();?>assets/admin/vendors/datatables.net-responsive-bs/css/responsive.bootstrap.min.css" rel="stylesheet">
<link href="<?php echo base_url();?>assets/admin/vendors/datatables.net-scroller-bs/css/scroller.bootstrap.min.css" rel="stylesheet">
<!-- Sweetalert popup -->
<script src="https://lipis.github.io/bootstrap-sweetalert/dist/sweetalert.js"></script>
<link rel="stylesheet" href="https://lipis.github.io/bootstrap-sweetalert/dist/sweetalert.css" />
<!-- FullCalendar -->
<link href="<?php echo base_url();?>assets/admin/vendors/fullcalendar/dist/fullcalendar.min.css" rel="stylesheet">
<link href="<?php echo base_url();?>assets/admin/vendors/fullcalendar/dist/fullcalendar.print.css" rel="stylesheet" media="print">
<!-- bootstrap-datetimepicker -->
<link href="<?php echo base_url();?>assets/admin/vendors/bootstrap-datetimepicker/build/css/bootstrap-datetimepicker.css" rel="stylesheet">
脚
<!-- jQuery -->
<script src="<?php echo base_url();?>assets/admin/vendors/jquery/dist/jquery.min.js"></script>
<!-- Bootstrap -->
<script src="<?php echo base_url();?>assets/admin/vendors/bootstrap/dist/js/bootstrap.min.js"></script>
<!-- FastClick -->
<script src="<?php echo base_url();?>assets/admin/vendors/fastclick/lib/fastclick.js"></script>
<!-- NProgress -->
<script src="<?php echo base_url();?>assets/admin/vendors/nprogress/nprogress.js"></script>
<!-- Chart.js -->
<script src="<?php echo base_url();?>assets/admin/vendors/Chart.js/dist/Chart.min.js"></script>
<!-- gauge.js -->
<script src="<?php echo base_url();?>assets/admin/vendors/gauge.js/dist/gauge.min.js"></script>
<!-- bootstrap-progressbar -->
<script src="<?php echo base_url();?>assets/admin/vendors/bootstrap-progressbar/bootstrap-progressbar.min.js"></script>
<!-- iCheck -->
<script src="<?php echo base_url();?>assets/admin/vendors/iCheck/icheck.min.js"></script>
<!-- Skycons -->
<script src="<?php echo base_url();?>assets/admin/vendors/skycons/skycons.js"></script>
<!-- Flot -->
<script src="<?php echo base_url();?>assets/admin/vendors/Flot/jquery.flot.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/Flot/jquery.flot.pie.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/Flot/jquery.flot.time.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/Flot/jquery.flot.stack.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/Flot/jquery.flot.resize.js"></script>
<!-- Flot plugins -->
<script src="<?php echo base_url();?>assets/admin/vendors/flot.orderbars/js/jquery.flot.orderBars.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/flot-spline/js/jquery.flot.spline.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/flot.curvedlines/curvedLines.js"></script>
<!-- DateJS -->
<script src="<?php echo base_url();?>assets/admin/vendors/DateJS/build/date.js"></script>
<!-- JQVMap -->
<script src="<?php echo base_url();?>assets/admin/vendors/jqvmap/dist/jquery.vmap.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/jqvmap/dist/maps/jquery.vmap.world.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/jqvmap/examples/js/jquery.vmap.sampledata.js"></script>
<!-- bootstrap-daterangepicker -->
<script src="<?php echo base_url();?>assets/admin/vendors/moment/min/moment.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/bootstrap-daterangepicker/daterangepicker.js"></script>
<!-- FullCalendar -->
<script src="<?php echo base_url();?>assets/admin/vendors/moment/min/moment.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/fullcalendar/dist/fullcalendar.min.js"></script>
<!-- Custom Theme Scripts -->
<script src="<?php echo base_url();?>assets/admin/build/js/custom.min.js"></script>
<!-- Datatables -->
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net/js/jquery.dataTables.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-bs/js/dataTables.bootstrap.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-buttons/js/dataTables.buttons.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-buttons-bs/js/buttons.bootstrap.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-buttons/js/buttons.flash.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-buttons/js/buttons.html5.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-buttons/js/buttons.print.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-fixedheader/js/dataTables.fixedHeader.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-keytable/js/dataTables.keyTable.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-responsive/js/dataTables.responsive.min.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-responsive-bs/js/responsive.bootstrap.js"></script>
<script src="<?php echo base_url();?>assets/admin/vendors/datatables.net-scroller/js/dataTables.scroller.min.js"></script>
<!-- bootstrap-datetimepicker -->
<script src="<?php echo base_url();?>assets/admin/vendors/bootstrap-datetimepicker/build/js/bootstrap-datetimepicker.min.js"></script>