Resolving an issue where we don't check to see if unrepeatedSans exis…

…ts before using it

#12255

shell/components/formatter/SecretData.vue

@@ -43,7 +43,7 @@ export default {
 
 <template>
   <div v-if="isTLS">
-    <t k="secret.certificate.cn" /> {{ cn }} <span v-if="row.unrepeatedSans.length">{{ t('secret.certificate.plusMore', {n:row.unrepeatedSans.length}) }}</span><br>
+    <t k="secret.certificate.cn" /> {{ cn }} <span v-if="row.unrepeatedSans && row.unrepeatedSans.length">{{ t('secret.certificate.plusMore', {n:row.unrepeatedSans.length}) }}</span><br>
     <t k="secret.certificate.expires" />: <DateComponent
       :class="dateClass"
       :value="expiration"