diff --git a/src/app/create-qualification/create-qualification.component.ts b/src/app/create-qualification/create-qualification.component.ts
index b9bb381..bb32de0 100644
--- a/src/app/create-qualification/create-qualification.component.ts
+++ b/src/app/create-qualification/create-qualification.component.ts
@@ -6,6 +6,7 @@ import {NgIf} from "@angular/common";
 import {MatError, MatFormField, MatLabel} from "@angular/material/form-field";
 import {MatButton} from "@angular/material/button";
 import {MatInput} from "@angular/material/input";
+import {filter} from "rxjs";
 
 @Component({
     selector: 'app-create-qualification',
@@ -39,7 +40,7 @@ export class CreateQualificationComponent {
         const field = this.qualificationForm.get(fieldName);
 
         if (!field) {
-            return false;
+            throw new Error('Form field does not exist: ' + fieldName)
         }
 
         return field.invalid && (field.dirty || field.touched);