add error handling for db calls

src/modules/auth/strategies/local.strategy.ts

@@ -14,7 +14,7 @@ export class LocalStrategy extends PassportStrategy(Strategy) {
   async validate(email: string, password: string): Promise<any> {
     const newCredentials = await this.authService.checkCredentials(email, password)
     if (newCredentials.resultCode === 1) {
-      throw new UnauthorizedException()
+      throw new UnauthorizedException('Invalid credentials')
     }
     return newCredentials
   }