ERROR in: "let-" is only supported on ng-template elements. ("
  </thead>
  <tbody>
    <template ngFor [ngForOf]="rows" [ERROR ->]let-rowz="$implicit" let-index="index">
      <tr *ngIf="!(datePicker.onlyCurrentMonth && rowz[0].sec")
: "let-" is only supported on ng-template elements. ("
  </thead>
  <tbody>
    <template ngFor [ngForOf]="rows" let-rowz="$implicit" [ERROR ->]let-index="index">
      <tr *ngIf="!(datePicker.onlyCurrentMonth && rowz[0].secondary && rowz[6].sec")