diff --git a/dmp-backend/core/src/main/java/eu/eudat/model/persist/dmpblueprintdefinition/DescriptionTemplatePersist.java b/dmp-backend/core/src/main/java/eu/eudat/model/persist/dmpblueprintdefinition/DescriptionTemplatePersist.java
index 62e754a1e..617651266 100644
--- a/dmp-backend/core/src/main/java/eu/eudat/model/persist/dmpblueprintdefinition/DescriptionTemplatePersist.java
+++ b/dmp-backend/core/src/main/java/eu/eudat/model/persist/dmpblueprintdefinition/DescriptionTemplatePersist.java
@@ -4,9 +4,11 @@ import eu.eudat.commons.validation.BaseValidator;
 import gr.cite.tools.validation.specification.Specification;
 import eu.eudat.convention.ConventionService;
 import eu.eudat.errorcode.ErrorThesaurusProperties;
-import eu.eudat.model.persist.descriptiontemplatedefinition.FieldPersist;
+import org.springframework.beans.factory.config.ConfigurableBeanFactory;
 import org.springframework.context.MessageSource;
+import org.springframework.context.annotation.Scope;
 import org.springframework.context.i18n.LocaleContextHolder;
+import org.springframework.stereotype.Component;
 
 import java.util.Arrays;
 import java.util.List;
@@ -74,6 +76,8 @@ public class DescriptionTemplatePersist {
         this.maxMultiplicity = maxMultiplicity;
     }
 
+    @Component(DescriptionTemplatePersist.DescriptionTemplatePersistValidator.ValidatorName)
+    @Scope(ConfigurableBeanFactory.SCOPE_PROTOTYPE)
     public static class DescriptionTemplatePersistValidator extends BaseValidator<DescriptionTemplatePersist> {
 
         public static final String ValidatorName = "DmpBlueprint.DescriptionTemplatePersistValidator";
diff --git a/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.component.html b/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.component.html
index bfa801bce..23733bbaa 100644
--- a/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.component.html
+++ b/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.component.html
@@ -109,6 +109,7 @@
 														<mat-form-field class="w-100">
 															<mat-label>{{'DMP-BLUEPRINT-EDITOR.FIELDS.SYSTEM-FIELD' | translate}}</mat-label>
 															<input matInput disabled value="{{enumUtils.toDmpBlueprintSystemFieldTypeString(field.get('systemFieldType').value)}}" type="text" name="name">
+															<mat-error *ngIf="field.get('dataType').hasError('backendError')">{{field.get('dataType').getError('backendError').message}}</mat-error>
 														</mat-form-field>
 													</div>
 													<div class="col-auto" *ngIf="field.get('category').value === dmpBlueprintSectionFieldCategory.EXTRA">
@@ -170,6 +171,7 @@
 												<!-- <mat-checkbox [formControl]="section.get('hasTemplates')" (change)="checkForBlueprints($event, sectionIndex)"> -->
 												<mat-checkbox [formControl]="section.get('hasTemplates')">
 													{{'DMP-BLUEPRINT-EDITOR.FIELDS.DESCRIPTION-TEMPLATES' | translate}}
+													<mat-error *ngIf="section.get('hasTemplates').hasError('backendError')">{{section.get('hasTemplates').getError('backendError').message}}</mat-error>
 												</mat-checkbox>
 											</div>
 										</div>
@@ -180,8 +182,7 @@
 											<div class="col-12">
 												<mat-form-field class="w-100">
 													<mat-label>{{'DMP-BLUEPRINT-EDITOR.FIELDS.DESCRIPTION-TEMPLATES' | translate}}</mat-label>
-													<app-multiple-auto-complete [disabled]="formGroup.disabled" [hidePlaceholder]="true" required='false' [configuration]="blueprintsAutoCompleteConfiguration" (optionRemoved)="onRemoveDescritionTemplate($event, sectionIndex)" (optionSelected)="onSelectDescritionTemplate($event, sectionIndex)">
-													</app-multiple-auto-complete>
+													<app-multiple-auto-complete [disabled]="formGroup.disabled" [hidePlaceholder]="true" required='false' [configuration]="templatesAutoCompleteConfiguration" (optionRemoved)="onRemoveDescritionTemplate($event, sectionIndex)" (optionSelected)="onSelectDescritionTemplate($event, sectionIndex)"></app-multiple-auto-complete>
 												</mat-form-field>
 											</div>
 										</div>
diff --git a/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.component.ts b/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.component.ts
index b39341ccd..0537260c4 100644
--- a/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.component.ts
+++ b/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.component.ts
@@ -35,6 +35,8 @@ import { map, takeUntil } from 'rxjs/operators';
 import { DescriptionTemplatesInSectionEditorModel, DmpBlueprintDefinitionSectionEditorModel, DmpBlueprintEditorModel, FieldInSectionEditorModel } from './dmp-blueprint-editor.model';
 import { DmpBlueprintEditorResolver } from './dmp-blueprint-editor.resolver';
 import { DmpBlueprintEditorService } from './dmp-blueprint-editor.service';
+import { DescriptionTemplateService } from '@app/core/services/description-template/description-template.service';
+import { SingleAutoCompleteConfiguration } from '@app/library/auto-complete/single/single-auto-complete-configuration';
 
 
 @Component({
@@ -55,16 +57,7 @@ export class DmpBlueprintEditorComponent extends BaseEditor<DmpBlueprintEditorMo
 	public dmpBlueprintSystemFieldTypeEnum = this.enumUtils.getEnumValues<DmpBlueprintSystemFieldType>(DmpBlueprintSystemFieldType);
 	dmpBlueprintExtraFieldDataType = DmpBlueprintExtraFieldDataType;
 	public dmpBlueprintExtraFieldDataTypeEnum = this.enumUtils.getEnumValues<DmpBlueprintExtraFieldDataType>(DmpBlueprintExtraFieldDataType);
-
-	//TODO refactor
-	// blueprintsAutoCompleteConfiguration: MultipleAutoCompleteConfiguration = {
-	// 	filterFn: this.filterDescriptionTempaltes.bind(this),
-	// 	initialItems: (excludedItems: any[]) => this.filterDescriptionTempaltes('').pipe(map(result => result.filter(resultItem => (excludedItems || []).map(x => x.id).indexOf(resultItem.id) === -1))),
-	// 	displayFn: (item: DatasetProfileModel) => item.label,
-	// 	titleFn: (item: DatasetProfileModel) => item.label,
-	// 	subtitleFn: (item: DatasetProfileModel) => item.description,
-	// 	popupItemActionIcon: 'visibility'
-	// };
+	templatesAutoCompleteConfiguration: SingleAutoCompleteConfiguration
 
 	protected get canDelete(): boolean {
 		return !this.isDeleted && !this.isNew && this.hasPermission(this.authService.permissionEnum.DeleteDmpBlueprint);
@@ -103,9 +96,10 @@ export class DmpBlueprintEditorComponent extends BaseEditor<DmpBlueprintEditorMo
 		private dmpBlueprintEditorService: DmpBlueprintEditorService,
 		private fileUtils: FileUtils,
 		private matomoService: MatomoService,
-		private dmpService: DmpService
+		private descriptionTemplateService: DescriptionTemplateService
 	) {
 		super(dialog, language, formService, router, uiNotificationService, httpErrorHandlingService, filterService, datePipe, route, queryParamsService);
+		this.templatesAutoCompleteConfiguration = this.descriptionTemplateService.singleAutocompleteConfiguration;
 	}
 
 	ngOnInit(): void {
@@ -173,9 +167,9 @@ export class DmpBlueprintEditorComponent extends BaseEditor<DmpBlueprintEditorMo
 
 	formSubmit(): void {
 		this.formService.touchAllFormFields(this.formGroup);
-		if (!this.isFormValid()) {
-			return;
-		}
+		// if (!this.isFormValid()) {
+		// 	return;
+		// }
 
 		this.persistEntity();
 	}
diff --git a/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.model.ts b/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.model.ts
index c9a55ead7..9e0edf87e 100644
--- a/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.model.ts
+++ b/dmp-frontend/src/app/ui/admin/dmp-blueprint/editor/dmp-blueprint-editor.model.ts
@@ -12,7 +12,7 @@ import { Guid } from "@common/types/guid";
 
 export class DmpBlueprintEditorModel extends BaseEditorModel implements DmpBlueprintPersist {
 	label: string;
-	definition: DmpBlueprintDefinitionEditorModel;
+	definition: DmpBlueprintDefinitionEditorModel = new DmpBlueprintDefinitionEditorModel();
 	status: DmpBlueprintStatus = DmpBlueprintStatus.Draft;
 	description: string;
 	permissions: string[];
@@ -285,7 +285,7 @@ export class DmpBlueprintDefinitionSectionEditorModel implements DmpBlueprintDef
 			)
 		);
 
-		(formGroup.get('fields') as FormArray).controls?.forEach(
+		(formGroup.get('descriptionTemplates') as FormArray).controls?.forEach(
 			(control, index) => DescriptionTemplatesInSectionEditorModel.reapplyValidators({
 				formGroup: control as UntypedFormGroup,
 				rootPath: `${rootPath}descriptionTemplates[${index}].`,