Replace alert with redirect

frontend/middleware/check-admin.js

@@ -1,5 +1,9 @@
 export default async function({ app, store, route, redirect }) {
-  await store.dispatch('projects/setCurrentProject', route.params.id)
+  try {
+    await store.dispatch('projects/setCurrentProject', route.params.id)
+  } catch(e) {
+    redirect('/projects')
+  }
   const role = store.getters['projects/getCurrentUserRole']
   const projectRoot = app.localePath('/projects/' + route.params.id)
   const path = route.fullPath.replace(/\/$/g, '')

frontend/store/projects.js

@@ -330,7 +330,7 @@ export const actions = {
         commit('setCurrent', response.data)
       })
       .catch((error) => {
-        alert(error)
+        throw new Error(error)
       })
   },
   updateCurrentProject({ commit }, data) {