![Error: mat-form-field must contain a MatFormFieldControl. · Issue #7898 · angular/components · GitHub Error: mat-form-field must contain a MatFormFieldControl. · Issue #7898 · angular/components · GitHub](https://user-images.githubusercontent.com/33057497/38612904-bf97a8c4-3da5-11e8-9c5e-570bec3da6b4.png)
Error: mat-form-field must contain a MatFormFieldControl. · Issue #7898 · angular/components · GitHub
![angular - Error trying to diff '[object Object]'. Only arrays and iterables are allowed - Stack Overflow angular - Error trying to diff '[object Object]'. Only arrays and iterables are allowed - Stack Overflow](https://i.stack.imgur.com/0r0Nz.png)
angular - Error trying to diff '[object Object]'. Only arrays and iterables are allowed - Stack Overflow
![javascript - Angular : Error trying to diff '[object Object]'. Only arrays and iterables are allowed - Stack Overflow javascript - Angular : Error trying to diff '[object Object]'. Only arrays and iterables are allowed - Stack Overflow](https://i.stack.imgur.com/iAYDC.jpg)
javascript - Angular : Error trying to diff '[object Object]'. Only arrays and iterables are allowed - Stack Overflow
![angular - Error trying to diff '[object Object]'. Only arrays and iterables are allowed but i dont see anything wrong with my code - Stack Overflow angular - Error trying to diff '[object Object]'. Only arrays and iterables are allowed but i dont see anything wrong with my code - Stack Overflow](https://i.stack.imgur.com/QXQuN.png)