Error: [ngModel:numfmt] Expected `2` to be a numbe
---- Error Stack Trace ---- {anonymous}()@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:138:12 Array.<anonymous>@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:26759:15 {anonymous}() (Object.)$$format@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:30935:34 {anonymous}() (Object.)$processModelValue@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:30915:26 {anonymous}() (Object.)$$setModelValue@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:30947:10 ngModelWatch@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:30986:12 {anonymous}() (Scope.)$digest@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:19095:34 {anonymous}()@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:15316:43 {anonymous}()@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:6687:7 forEach@https://ajax.googleapis.com/ajax/libs/angularjs/1.7.5/angular.js:387:20