diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index 8878e6c0d8..908f39beb4 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -1,4 +1,7 @@
-## RELEASE NOTES
+## RELEASE NOTES-exui-4309
+
+### Version 7.3.52-exui-4309
+**EXUI-4309** Error messaging when changing from an event to create case
 
 ### Version 7.3.54
 **EXUI-4636** Revert CME-220  and EXUI-2111
diff --git a/package.json b/package.json
index 38447a3b4c..fdeb03cdba 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hmcts/ccd-case-ui-toolkit",
-  "version": "7.3.54",
+  "version": "7.3.54-exui-4309",
   "engines": {
     "node": ">=20.19.0"
   },
diff --git a/projects/ccd-case-ui-toolkit/package.json b/projects/ccd-case-ui-toolkit/package.json
index 6fdf4141f8..9fa6187dbd 100644
--- a/projects/ccd-case-ui-toolkit/package.json
+++ b/projects/ccd-case-ui-toolkit/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hmcts/ccd-case-ui-toolkit",
-  "version": "7.3.54",
+  "version": "7.3.54-exui-4309",
   "engines": {
     "node": ">=20.19.0"
   },
diff --git a/projects/ccd-case-ui-toolkit/src/lib/shared/components/case-editor/case-edit-page/case-edit-page.component.spec.ts b/projects/ccd-case-ui-toolkit/src/lib/shared/components/case-editor/case-edit-page/case-edit-page.component.spec.ts
index f2e2c8e9a9..5d659e5392 100644
--- a/projects/ccd-case-ui-toolkit/src/lib/shared/components/case-editor/case-edit-page/case-edit-page.component.spec.ts
+++ b/projects/ccd-case-ui-toolkit/src/lib/shared/components/case-editor/case-edit-page/case-edit-page.component.spec.ts
@@ -684,6 +684,29 @@ describe('CaseEditPageComponent - all other tests', () => {
       expect(comp.currentPage).toEqual(firstPage);
     });
 
+    it('should clear stale validation errors on init', () => {
+      const staleValidationErrors = [{ id: 'field1', message: 'Stale validation error' }];
+      caseEditDataService.caseFormValidationErrors$.next(staleValidationErrors);
+      caseEditDataService.clearFormValidationErrors.and.callFake(() => {
+        caseEditDataService.caseFormValidationErrors$.next([]);
+      });
+
+      comp.validationErrors = staleValidationErrors;
+      comp.ngOnInit();
+
+      expect(comp.validationErrors).toEqual([]);
+      expect(caseEditDataService.clearFormValidationErrors).toHaveBeenCalled();
+    });
+
+    it('should clear validation errors when destroyed', () => {
+      comp.validationErrors = [{ id: 'field1', message: 'Stale validation error' }];
+
+      comp.ngOnDestroy();
+
+      expect(comp.validationErrors).toEqual([]);
+      expect(caseEditDataService.clearFormValidationErrors).toHaveBeenCalled();
+    });
+
     it('should return true on hasPrevious check', () => {
       const errorContext = {
         ignoreWarning: true,
diff --git a/projects/ccd-case-ui-toolkit/src/lib/shared/components/case-editor/case-edit-page/case-edit-page.component.ts b/projects/ccd-case-ui-toolkit/src/lib/shared/components/case-editor/case-edit-page/case-edit-page.component.ts
index 15469dba6a..6f3f92b5d5 100644
--- a/projects/ccd-case-ui-toolkit/src/lib/shared/components/case-editor/case-edit-page/case-edit-page.component.ts
+++ b/projects/ccd-case-ui-toolkit/src/lib/shared/components/case-editor/case-edit-page/case-edit-page.component.ts
@@ -140,6 +140,7 @@ export class CaseEditPageComponent implements OnInit, AfterViewChecked, OnDestro
 
   public ngOnInit(): void {
     initDialog();
+    this.clearValidationErrors();
     this.eventTrigger = this.caseEdit.eventTrigger;
     this.editForm = this.caseEdit.form;
     this.wizard = this.caseEdit.wizard;
@@ -197,6 +198,7 @@ export class CaseEditPageComponent implements OnInit, AfterViewChecked, OnDestro
     this.dialogRefAfterClosedSub?.unsubscribe();
     this.saveDraftSub?.unsubscribe();
     this.caseFormValidationErrorsSub?.unsubscribe();
+    this.clearValidationErrors();
     this.multipageComponentStateService.reset();
   }
 
@@ -225,7 +227,7 @@ export class CaseEditPageComponent implements OnInit, AfterViewChecked, OnDestro
    * EUI-3732 - Breathing space data not persisted on Previous button click with ExpUI Demo
    */
   public toPreviousPage(): void {
-    this.caseEditDataService.clearFormValidationErrors();
+    this.clearValidationErrors();
     const caseEventData: CaseEventData = this.buildCaseEventData(true);
     caseEventData.data = caseEventData.event_data;
     this.updateFormData(caseEventData);
@@ -393,7 +395,7 @@ export class CaseEditPageComponent implements OnInit, AfterViewChecked, OnDestro
       }
     }
 
-    this.caseEditDataService.clearFormValidationErrors();
+    this.clearValidationErrors();
     this.checkForStagesCompleted();
     if (this.currentPageIsNotValid()) {
       // The generateErrorMessage method filters out the hidden fields.
@@ -567,7 +569,7 @@ export class CaseEditPageComponent implements OnInit, AfterViewChecked, OnDestro
       this.caseEdit.cancelled.emit();
     }
 
-    this.caseEditDataService.clearFormValidationErrors();
+    this.clearValidationErrors();
     this.multipageComponentStateService.reset();
   }
 
@@ -652,6 +654,7 @@ export class CaseEditPageComponent implements OnInit, AfterViewChecked, OnDestro
   }
 
   private resetErrors(): void {
+    this.clearValidationErrors();
     this.caseEdit.error = null;
     this.caseEdit.ignoreWarning = false;
     this.triggerText = this.getTriggerText();
@@ -660,6 +663,11 @@ export class CaseEditPageComponent implements OnInit, AfterViewChecked, OnDestro
     }
   }
 
+  private clearValidationErrors(): void {
+    this.validationErrors = [];
+    this.caseEditDataService?.clearFormValidationErrors?.();
+  }
+
   private saveDraft() {
     if (this.eventTrigger.can_save_draft) {
       const draftCaseEventData: CaseEventData = this.formValueService.sanitise(this.editForm.value) as CaseEventData;