Throwing error of Can't copy

[pinal-r]

angular.min.js:117 Error: [ng:cpws] http://errors.angularjs.org/1.5.5/ng/cpws
at angular.min.js:6
at c (angular.min.js:12)
at d (angular.min.js:12)
at c (angular.min.js:12)
at d (angular.min.js:12)
at c (angular.min.js:12)
at Object.qa [as copy] (angular.min.js:14)
at mdDateRangePickerService.show (md-date-range-picker.js:734)
at n.$scope.selectDateRange (?hcode=10)
at fn (eval at compile (angular.min.js:230), :4:351)