diff --git a/backend/src/apis/KlicktippController.ts b/backend/src/apis/KlicktippController.ts
index ca64f4b2e..824d40af2 100644
--- a/backend/src/apis/KlicktippController.ts
+++ b/backend/src/apis/KlicktippController.ts
@@ -31,7 +31,7 @@ export const unsubscribe = async (email: string): Promise<boolean> => {
   if (isLogin) {
     return await klicktippConnector.unsubscribe(email)
   }
-  throw new LogError('Could not unsubscribe', email)
+  throw new Error(`Could not unsubscribe ${email}`)
 }
 
 export const getKlickTippUser = async (email: string): Promise<any> => {
diff --git a/backend/src/auth/JWT.ts b/backend/src/auth/JWT.ts
index 301d2ddad..3f9c052f5 100644
--- a/backend/src/auth/JWT.ts
+++ b/backend/src/auth/JWT.ts
@@ -1,6 +1,7 @@
 import jwt from 'jsonwebtoken'
 import CONFIG from '@/config/'
 import { CustomJwtPayload } from './CustomJwtPayload'
+import LogError from '@/server/LogError'
 
 export const decode = (token: string): CustomJwtPayload | null => {
   if (!token) throw new LogError('401 Unauthorized')
diff --git a/backend/src/util/decay.ts b/backend/src/util/decay.ts
index 4c09d62a5..641654756 100644
--- a/backend/src/util/decay.ts
+++ b/backend/src/util/decay.ts
@@ -1,6 +1,7 @@
 import Decimal from 'decimal.js-light'
 import CONFIG from '@/config'
 import { Decay } from '@model/Decay'
+import LogError from '@/server/LogError'
 
 // TODO: externalize all those definitions and functions into an external decay library
 
diff --git a/backend/src/util/klicktipp.ts b/backend/src/util/klicktipp.ts
index 7dfc2c98e..02bdd853b 100644
--- a/backend/src/util/klicktipp.ts
+++ b/backend/src/util/klicktipp.ts
@@ -1,6 +1,7 @@
 import connection from '@/typeorm/connection'
 import { getKlickTippUser } from '@/apis/KlicktippController'
 import { User } from '@entity/User'
+import LogError from '@/server/LogError'
 
 export async function retrieveNotRegisteredEmails(): Promise<string[]> {
   const con = await connection()