Spring Com erro An error happened during template parsing (template: “class path resource [templates/login.html]”)

Olá estou com esse erro no spring, dizendo que não esta encontrando o tamplate, porem o tamplate está acessivel. help me!!

    This application has no explicit mapping for /error, so you are seeing this as a fallback.
    
    Mon May 24 20:11:46 BRT 2021
    There was an unexpected error (type=Internal Server Error, status=500).
    An error happened during template parsing (template: "class path resource [templates/login.html]")
    org.thymeleaf.exceptions.TemplateInputException: An error happened during template parsing (template: "class path resource [templates/login.html]")

Minha Classe UserController:

    package com.hobbyour.hobbyour.controller;
    
    import java.security.NoSuchAlgorithmException;
    
    import javax.servlet.http.HttpSession;
    import javax.validation.Valid;
    
    import com.hobbyour.hobbyour.Exceptions.ServiceExceptions;
    import com.hobbyour.hobbyour.entity.UserEntity;
    import com.hobbyour.hobbyour.service.UserService;
    import com.hobbyour.hobbyour.util.Util;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.validation.BindingResult;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.PostMapping;
    import org.springframework.web.servlet.ModelAndView;
    
    @Controller
    public class UserController {
        
    
        @Autowired
        private UserService userService;
    
    
        @GetMapping("/index")
    	public ModelAndView index() {
    		ModelAndView mv = new ModelAndView();
            mv.setViewName("index");
    		return mv;
    	}
    
        @GetMapping("/register")
        public ModelAndView register(){
            ModelAndView mv = new ModelAndView();
            mv.addObject("UserEntity", new UserEntity());
            mv.setViewName("register");
            return mv;
        }
    
        @PostMapping("saveUser")
        public ModelAndView register(UserEntity userEntity) throws Exception{
            ModelAndView mv = new ModelAndView();
            userService.seveUser(userEntity);
            mv.setViewName("redirect:/");
            return mv;
        }
        
        @GetMapping("/")
        public ModelAndView login(){
            ModelAndView mv = new ModelAndView();
            mv.setViewName("login");
            mv.addObject("UserEntity", new UserEntity());
    
            return mv;
        }
    
        @PostMapping("/logar")
        public ModelAndView login(@Valid UserEntity user, BindingResult br, HttpSession session) throws NoSuchAlgorithmException, ServiceExceptions{
            ModelAndView mv = new ModelAndView();
            mv.addObject("user", new UserEntity());
            if (br.hasErrors()) {
                mv.setViewName("register");
            }
    
            UserEntity userEntity = userService.logar(user.getEmail(), Util.md5(user.getPasswd()));
            if (userEntity == null) {
                mv.addObject("msg", "Usuario não Cadastrado!");      
            }else{
                session.setAttribute("usuarioLogado", userEntity);
                return index();
            }
            return mv;
        }
    }

Minha classe UserRepository:

     package com.hobbyour.hobbyour.repository;
        
        import com.hobbyour.hobbyour.entity.UserEntity;
        
        import org.springframework.data.jpa.repository.JpaRepository;
        import org.springframework.data.jpa.repository.Query;
        
        public interface UserRepository extends JpaRepository<UserEntity, Long>{
        
            @Query("select e from UserEntity e where e.email = :email")
            public UserEntity findByEmail(String email);
        
            @Query("select j from UserEntity j where j.email = :email and j.passwd = :passwd")
            public UserEntity logar(String email, String passwd);
        }

Minha classe UserService:

    package com.hobbyour.hobbyour.service;
    
    import java.security.NoSuchAlgorithmException;
    
    import com.hobbyour.hobbyour.Exceptions.CriptoExistsException;
    import com.hobbyour.hobbyour.Exceptions.EmailExistsException;
    import com.hobbyour.hobbyour.Exceptions.ServiceExceptions;
    import com.hobbyour.hobbyour.entity.UserEntity;
    import com.hobbyour.hobbyour.util.Util;
    import com.hobbyour.hobbyour.repository.UserRepository;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    
    @Service
    public class UserService {
        
        @Autowired
        private UserRepository userRepository;
    
        public void seveUser(UserEntity userEntity) throws Exception{
            try {
                if (userRepository.findByEmail(userEntity.getEmail()) != null) {
                    throw new EmailExistsException("Já existe um email cadastrado para: "+ userEntity.getEmail());
                }
                userEntity.setPasswd(Util.md5(userEntity.getPasswd()));
    
                userEntity.setBirthdate(Util.getDateTime());
    
            } catch (NoSuchAlgorithmException e) {
                throw new CriptoExistsException("Erro na criptografia da senha");
            }
            userRepository.save(userEntity);
        }
    
        public UserEntity logar(String email, String passwd) throws ServiceExceptions{
            UserEntity login = userRepository.logar(email, passwd);
            return login;
        }
    
    }

Minha classe de percistencia:

package com.hobbyour.hobbyour.entity;

import java.io.Serializable;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.GeneratedValue;

import javax.persistence.GenerationType;

import javax.persistence.Id;

import javax.persistence.Table;

import javax.validation.constraints.Email;

import javax.validation.constraints.NotNull;

import org.springframework.format.annotation.DateTimeFormat;

@Entity

@Table(name = "tbuser", schema = "hobbyour")

public class UserEntity implements Serializable{

    private static final long serialVersionUID = 1L;

    @Id
    @Column(name = "id", unique = true, nullable = false)
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @NotNull
    private Long id;

    @Column(name = "username")
    @NotNull
    private String userName;

    @Column(name = "fname")
    @NotNull
    private String firstName;

    @Column(name = "surname")
    @NotNull
    private String surName;

    @Column(name = "email")
    @Email
    @NotNull
    private String email;

    @Column(name = "passwd")
    @NotNull
    private String passwd;

    @Column(name = "birthdate")
    @DateTimeFormat(pattern = "dd/MM/yyyy")

    @NotNull
    private String birthdate;

    @Column(name = "gender")
    @NotNull
    private String gender;

    @Column(name = "region")
    @NotNull
    private String region;

    public UserEntity() {

        super();
    }


    public Long getId() {

        return id;

    }

    public void setId(Long id) {

        this.id = id;

    }

    public String getUserName() {

        return userName;

    }

    public void setUserName(String userName) {

        this.userName = userName;

    }

    public String getFirstName() {

        return firstName;

    }

    public void setFirstName(String firstName) {

        this.firstName = firstName;

    }

    public String getSurName() {

        return surName;

    }

    public void setSurName(String surName) {

        this.surName = surName;

    }

    public String getEmail() {

        return email;

    }

    public void setEmail(String email) {

        this.email = email;

    }

    public String getPasswd() {

        return passwd;

    }

    public void setPasswd(String passwd) {

        this.passwd = passwd;

    }

    public String getBirthdate() {

        return birthdate;

    }

    public void setBirthdate(String date) {

        this.birthdate = date;

    }

    public String getGender() {

        return gender;

    }

    public void setGender(String gender) {

        this.gender = gender;

    }

    

    public String getRegion() {

        return region;

    }

    public void setRegion(String region){

        this.region = region;

    }

}

Meu Template HTML login:

    <!DOCTYPE html>
    <html lang="pt-br">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0/dist/css/bootstrap.min.css" rel="stylesheet" 
            integrity="sha384-wEmeIV1mKuiNpC+IOBjI7aAzPcEZeedi5yW5f2yOq55WWLwNGmvvx4Um1vskeMj0"
                crossorigin="anonymous">
        <link rel="stylesheet" href="/css/style.css">
                
        <title>Inscreva-se</title>
    </head>
    <header>
        <div class="logo">
            <h1>hobbyour</h1>
        </div>
    </header>
    <body>
        <section>
            <div class="container">
                <form method="POST" th:object="${user}" action="/logar" >
                    <div class="step step-1 index active">
                        <h1>Login</h1>
                        <h5>Divirta-se com seu hobby!</h5>
                        
                        <div class="form-group">
                            <!-- <label for="firstname">Primeiro Nome</label> -->
                            <input type="email"  placeholder="Email" th:field="*{email}">
                        </div>
                        <div class="form-group">
                            <!-- <label for="surname">SobreNome</label> -->
                            <input type="password" placeholder="Senha"  th:field="*{passwd}">
                        </div> 
                            
                        <button type="submit" class="submit-btn" th:href="@{/logar}">Entrar</button>
                            <div class="_8icz"></div>
                            <a class="" th:href="@{register}">Não possui cadastro?</a>            
                    </div>   
                </form>
            </div>
        </section>
        <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0/dist/js/bootstrap.bundle.min.js" 
            integrity="sha384-p34f1UUtsS3wqzfto5wAAmdvj+osOnFyQFpp4Ua3gs/ZVWx6oOypYoCJhGGScy+8"
                crossorigin="anonymous"></script>
        <script src="/js/scripts.js"></script>
    </body>
    </html>

Onde você tá colocando as paginas HTML?