Data must be an object. Found object.See https://github.com/typicode/json-server for example. at module.exports (/usr/lib/node_modules/json-server/lib/server/router/validate-data.js:16:11)
Example: MatDatepicker: No provider found for DateAdapter. You must import one of the following modules at your application root: MatNativeDateModule, MatMomentDateModule, or provide a custom implementation
import {MatNativeDateModule} from '@angular/material';