ERROR Error: A drawer was already declared for 'position="start"'

Question

Mat-drawer-container I'm Using 2 drawers respectively position start and position end but still I'm getting above mention error

I am using angular 15. and material V.15

<mat-drawer-container>
  <mat-drawer position="start"></mat-drawer>
  <mat-drawer position="end"></mat-drawer>
  <mat-drawer-content></mat-drawer-content>
</mat-drawer-container>

I also tried align attribute on mat-drawer but its not working.