diff --git a/src/helpers/error/handler/index.ts b/src/helpers/error/handler/index.ts
index e6872b7..16cccbb 100644
--- a/src/helpers/error/handler/index.ts
+++ b/src/helpers/error/handler/index.ts
@@ -38,7 +38,7 @@ export const mainErrorHandler = (set: any, error: unknown) => {
   }
 
   if (error instanceof Prisma.PrismaClientInitializationError) {
-    return returnErrorResponse(set, 500, "Database initialization failed");
+    return returnErrorResponse(set, 503, `Can't reach database server.`, error);
   }
 
   if (error instanceof Prisma.PrismaClientValidationError) {
diff --git a/src/helpers/error/instances/forwarder.ts b/src/helpers/error/instances/forwarder.ts
index 6fd301b..f3d511f 100644
--- a/src/helpers/error/instances/forwarder.ts
+++ b/src/helpers/error/instances/forwarder.ts
@@ -1,3 +1,4 @@
+import { Prisma } from "@prisma/client";
 import { AppError } from "./app";
 
 export function ErrorForwarder(
@@ -5,7 +6,14 @@ export function ErrorForwarder(
   statusCode: number = 500,
   message: string = "Unexpected error"
 ): never {
-  if (cause instanceof AppError) {
+  if (
+    cause instanceof AppError ||
+    cause instanceof Prisma.PrismaClientKnownRequestError ||
+    cause instanceof Prisma.PrismaClientUnknownRequestError ||
+    cause instanceof Prisma.PrismaClientRustPanicError ||
+    cause instanceof Prisma.PrismaClientInitializationError ||
+    cause instanceof Prisma.PrismaClientValidationError
+  ) {
     throw cause;
   }
 
diff --git a/src/modules/auth/controller/loginWithPassword.controller.ts b/src/modules/auth/controller/loginWithPassword.controller.ts
index a4a0eba..b2b7509 100644
--- a/src/modules/auth/controller/loginWithPassword.controller.ts
+++ b/src/modules/auth/controller/loginWithPassword.controller.ts
@@ -27,7 +27,7 @@ export const loginWithPassword = async (
     const jwtToken = await loginWithPasswordService(ctx.body, userHeaderInfo);
 
     // Set the authentication cookie with the JWT token
-    const cookie = setCookie(ctx.set, COOKIE_KEYS.AUTH, jwtToken);
+    setCookie(ctx.set, COOKIE_KEYS.AUTH, jwtToken);
     return returnWriteResponse(
       ctx.set,
       200,
diff --git a/src/modules/user/repositories/findUserByEmailOrUsername.repository.ts b/src/modules/user/repositories/findUserByEmailOrUsername.repository.ts
index b894ce0..d9d8129 100644
--- a/src/modules/user/repositories/findUserByEmailOrUsername.repository.ts
+++ b/src/modules/user/repositories/findUserByEmailOrUsername.repository.ts
@@ -34,6 +34,6 @@ export const findUserByEmailOrUsernameRepo = async (identifier: string) => {
     if (!userData) return false;
     return userData;
   } catch (error) {
-    throw new AppError(500, "Database error", error);
+    throw error;
   }
 };
diff --git a/src/modules/userSession/repositories/insertUserSessionToDB.repository.ts b/src/modules/userSession/repositories/insertUserSessionToDB.repository.ts
index ec6f783..acd659d 100644
--- a/src/modules/userSession/repositories/insertUserSessionToDB.repository.ts
+++ b/src/modules/userSession/repositories/insertUserSessionToDB.repository.ts
@@ -1,11 +1,12 @@
 import { Prisma } from "@prisma/client";
 import { userSessionModel } from "../userSession.model";
+import { AppError } from "../../../helpers/error/instances/app";
 
 export const createUserSessionRepo = async (
   data: Prisma.UserSessionUncheckedCreateInput
 ) => {
   try {
-    const newUserRole = await userSessionModel.create({
+    const newUserSession = await userSessionModel.create({
       data: data,
       include: {
         user: {
@@ -24,7 +25,7 @@ export const createUserSessionRepo = async (
         updatedAt: true,
       },
     });
-    return newUserRole;
+    return newUserSession;
   } catch (error) {
     throw error;
   }
diff --git a/src/modules/userSession/services/createUserSession.service.ts b/src/modules/userSession/services/createUserSession.service.ts
index 45e9530..754981b 100644
--- a/src/modules/userSession/services/createUserSession.service.ts
+++ b/src/modules/userSession/services/createUserSession.service.ts
@@ -1,6 +1,7 @@
 import { createUserSessionServiceParams } from "../userSession.types";
 import { createUserSessionRepo } from "../repositories/insertUserSessionToDB.repository";
 import { storeUserSessionToCacheRepo } from "../repositories/storeUserSessionToCache.repository";
+import { ErrorForwarder } from "../../../helpers/error/instances/forwarder";
 
 export const createUserSessionService = async (
   data: createUserSessionServiceParams
@@ -21,6 +22,6 @@ export const createUserSessionService = async (
 
     return newUserSession;
   } catch (error) {
-    throw error;
+    ErrorForwarder(error);
   }
 };