set default value

app/javascript/submission_form/area.vue

@@ -422,10 +422,14 @@ export default {
     },
     formattedDate () {
       if (this.field.type === 'date' && this.modelValue) {
-        return this.formatDate(
-          this.modelValue === '{{date}}' ? new Date() : new Date(this.modelValue),
-          this.field.preferences?.format || (this.locale.endsWith('-US') ? 'MM/DD/YYYY' : 'DD/MM/YYYY')
-        )
+        try {
+          return this.formatDate(
+            this.modelValue === '{{date}}' ? new Date() : new Date(this.modelValue),
+            this.field.preferences?.format || (this.locale.endsWith('-US') ? 'MM/DD/YYYY' : 'DD/MM/YYYY')
+          )
+        } catch {
+          return this.modelValue
+        }
       } else {
         return ''
       }