diff --git a/lib/content-services/src/lib/category/categories-management/categories-management.component.html b/lib/content-services/src/lib/category/categories-management/categories-management.component.html
index 607bae8755..9ccdb3b6e3 100644
--- a/lib/content-services/src/lib/category/categories-management/categories-management.component.html
+++ b/lib/content-services/src/lib/category/categories-management/categories-management.component.html
@@ -10,7 +10,9 @@
                 (keyup.enter)="addCategory()"
                 adf-auto-focus
             />
-            <mat-error *ngIf="categoryNameControl.invalid && categoryNameControl.touched">
+            <mat-error 
+                *ngIf="categoryNameControl.invalid && categoryNameControl.touched"
+                data-automation-id="categories-error-message">
                 {{ categoryNameErrorMessageKey | translate }}
             </mat-error>
         </mat-form-field>
diff --git a/lib/content-services/src/lib/tag/tags-creator/tags-creator.component.html b/lib/content-services/src/lib/tag/tags-creator/tags-creator.component.html
index 52a74db49e..f9cf0047d8 100644
--- a/lib/content-services/src/lib/tag/tags-creator/tags-creator.component.html
+++ b/lib/content-services/src/lib/tag/tags-creator/tags-creator.component.html
@@ -10,7 +10,9 @@
                 (keyup.enter)="addTag()"
                 adf-auto-focus
             />
-            <mat-error *ngIf="tagNameControl.invalid && tagNameControl.touched">
+            <mat-error 
+                *ngIf="tagNameControl.invalid && tagNameControl.touched"
+                data-automation-id="tags-error-message">
                 {{ tagNameErrorMessageKey | translate }}
             </mat-error>
         </mat-form-field>