src/pages/about/About.vue

@@ -54,8 +54,8 @@
       class="fit row inline wrap justify-around items-start content-start q-gutter-sm"
     >
       <developer
-        v-for="developer in developers"
-        :key="i"
+        v-for="(developer, index) in developers"
+        :key="'dev' + index"
         class="col-xs-12 col-md-5 col-lg-3"
         :firstname="developer.firstname"
         :lastname="developer.lastname"