Error Can't bind to 'ngIf' since it isn't a known property of 'tree-node-collection'
Using "angular-tree-component": "8.5.2" and "@angular/cdk": "8.2.3",
"@angular/common": "8.2.14",
Error: Template error: Can't bind to 'ngIf' since it isn't a known property of 'tree-node-collection'.
at createUnknownPropertyError (core.js:12760)
at elementPropertyInternal (core.js:12626)
at Module.ɵɵproperty (core.js:19774)
at TreeComponent_Template (tree.component.js:264)
at executeTemplate (core.js:12178)
at checkView (core.js:13616)
at componentRefresh (core.js:13360)
at refreshChildComponents (core.js:11859)
at refreshDescendantViews (core.js:11758)
at checkView (core.js:13617)
Error: Template error: Can't bind to 'ngIf' since it isn't a known property of 'tree-node-drop-slot'.
at createUnknownPropertyError (core.js:12760)
at elementPropertyInternal (core.js:12626)
at Module.ɵɵproperty (core.js:19774)
at TreeComponent_Template (tree.component.js:266)
at executeTemplate (core.js:12178)
at checkView (core.js:13616)
at componentRefresh (core.js:13360)
at refreshChildComponents (core.js:11859)
at refreshDescendantViews (core.js:11758)
at checkView (core.js:13617)
Error Can't bind to 'ngIf' since it isn't a known property of 'tree-node-collection'
Using "angular-tree-component": "8.5.2" and "@angular/cdk": "8.2.3", "@angular/common": "8.2.14",
Error: Template error: Can't bind to 'ngIf' since it isn't a known property of 'tree-node-collection'. at createUnknownPropertyError (core.js:12760) at elementPropertyInternal (core.js:12626) at Module.ɵɵproperty (core.js:19774) at TreeComponent_Template (tree.component.js:264) at executeTemplate (core.js:12178) at checkView (core.js:13616) at componentRefresh (core.js:13360) at refreshChildComponents (core.js:11859) at refreshDescendantViews (core.js:11758) at checkView (core.js:13617)
Error: Template error: Can't bind to 'ngIf' since it isn't a known property of 'tree-node-drop-slot'. at createUnknownPropertyError (core.js:12760) at elementPropertyInternal (core.js:12626) at Module.ɵɵproperty (core.js:19774) at TreeComponent_Template (tree.component.js:266) at executeTemplate (core.js:12178) at checkView (core.js:13616) at componentRefresh (core.js:13360) at refreshChildComponents (core.js:11859) at refreshDescendantViews (core.js:11758) at checkView (core.js:13617)
when it is used with IVY compiler in Angular 8 .