I tried to use grid component in my project, but it was not working, so I cloned this repository still same issue.

Uncaught TypeError: Object prototype may only be an Object or null: undefined at setPrototypeOf (<anonymous>) at extendStatics (webpack-internal:///./node_modules/@syncfusion/ej2-vue-grids/node_modules/@syncfusion/ej2-vue-base/src/component-base.js:18) at __extends (webpack-internal:///./node_modules/@syncfusion/ej2-vue-grids/node_modules/@syncfusion/ej2-vue-base/src/component-base.js:21) at eval (webpack-internal:///./node_modules/@syncfusion/ej2-vue-grids/node_modules/@syncfusion/ej2-vue-base/src/component-base.js:58) at eval (webpack-internal:///./node_modules/@syncfusion/ej2-vue-grids/node_modules/@syncfusion/ej2-vue-base/src/component-base.js:450) at Module../node_modules/@syncfusion/ej2-vue-grids/node_modules/@syncfusion/ej2-vue-base/src/component-base.js (chunk-vendors.js:5667) at __webpack_require__ (app.js:849) at fn (app.js:151) at eval (webpack-internal:///./node_modules/@syncfusion/ej2-vue-grids/node_modules/@syncfusion/ej2-vue-base/src/index.js:2) at Module../node_modules/@syncfusion/ej2-vue-grids/node_modules/@syncfusion/ej2-vue-base/src/index.js (chunk-vendors.js:5691)