Trying to resolve problem

deserialization.scala

package model

import play.api.data.Form
import play.api.libs.json.Json
import model.SkillFormats.skillRecordFormat
import play.api.data._
import play.api.data.Forms._

object UserFormats {
  implicit val userForm = Form(
    mapping(
      "login" -> text,
      "password" -> text
    )(UserLoginData.apply)(UserLoginData.unapply)
  )
  implicit val registerForm = Form(
    mapping(
      "name" -> text,
      "surname" -> text,
      "login" -> text,
      "password" -> text,
      "email" -> text
    )
  )(User.apply)(User.unapply)
  implicit val userFormat = Json.format[User]
}

case class UserLoginData(login: String, password: String)

object User {
  def apply(name: String, surname: String, login: String, password: String, email: String) =
    new User(name, surname, login, password, email, List())
}

case class User(name: String, surname: String, login: String, password: String, email: String, skillSet: List[SkillRecord] = List()) {
//  def apply(name: String, surname: String, login: String, password: String, email: String) =
//    new User(name, surname, login, password, email, List())
}