diff --git a/backend/src/middleware/notifications/notificationsMiddleware.spec.js b/backend/src/middleware/notifications/notificationsMiddleware.spec.js
index 502ddaa8e..2122d009b 100644
--- a/backend/src/middleware/notifications/notificationsMiddleware.spec.js
+++ b/backend/src/middleware/notifications/notificationsMiddleware.spec.js
@@ -371,7 +371,7 @@ describe('notifications', () => {
                 expect(readAfter).toEqual(false)
               })
 
-              it('updates the `createdAt` attribute', async () => {
+              it('does not update the `createdAt` attribute', async () => {
                 await createPostAction()
                 await markAsReadAction()
                 const {
diff --git a/backend/src/middleware/validation/validationMiddleware.js b/backend/src/middleware/validation/validationMiddleware.js
index bbde03df6..b8c539a0f 100644
--- a/backend/src/middleware/validation/validationMiddleware.js
+++ b/backend/src/middleware/validation/validationMiddleware.js
@@ -86,19 +86,20 @@ const validateReview = async (resolve, root, args, context, info) => {
   const [existingReportedResource] = reportQueryRes.records.map(record => {
     return {
       label: record.get('label'),
-      author: record.get('author').properties,
+      author: record.get('author'),
       filed: record.get('filed'),
     }
   })
 
-  if (!existingReportedResource) throw new Error(`Resource not found!`)
+  if (!existingReportedResource)
+    throw new Error(`Resource not found or is not a Post|Comment|User!`)
   if (!existingReportedResource.filed)
     throw new Error(
       `Before starting the review process, please report the ${existingReportedResource.label}!`,
     )
   const authorId =
     existingReportedResource.label !== 'User' && existingReportedResource.author
-      ? existingReportedResource.author.id
+      ? existingReportedResource.author.properties.id
       : null
   if (authorId && authorId === user.id)
     throw new Error(`You cannot review your own ${existingReportedResource.label}!`)
diff --git a/backend/src/middleware/validation/validationMiddleware.spec.js b/backend/src/middleware/validation/validationMiddleware.spec.js
index 9448d50cf..87fc2a329 100644
--- a/backend/src/middleware/validation/validationMiddleware.spec.js
+++ b/backend/src/middleware/validation/validationMiddleware.spec.js
@@ -122,7 +122,7 @@ describe('validateReview', () => {
       mutate({ mutation: reviewMutation, variables: disableVariables }),
     ).resolves.toMatchObject({
       data: { review: null },
-      errors: [{ message: 'Resource not found!' }],
+      errors: [{ message: 'Resource not found or is not a Post|Comment|User!' }],
     })
   })
 
@@ -153,4 +153,23 @@ describe('validateReview', () => {
       errors: [{ message: 'You cannot review your own Post!' }],
     })
   })
+
+  describe('moderate a resource that is not a (Comment|Post|User) ', () => {
+    beforeEach(async () => {
+      await Promise.all([factory.create('Tag', { id: 'tag-id' })])
+    })
+
+    it('returns null', async () => {
+      disableVariables = {
+        ...disableVariables,
+        resourceId: 'tag-id',
+      }
+      await expect(
+        mutate({ mutation: reviewMutation, variables: disableVariables }),
+      ).resolves.toMatchObject({
+        data: { review: null },
+        errors: [{ message: 'Resource not found or is not a Post|Comment|User!' }],
+      })
+    })
+  })
 })