도저히 무슨 문제가 있는지 모르겠어요..
회원가입을 하는 페이지 입니다. btnSignUpFinish버튼을 누르면 회원가입이 되야 하는데 회원가입 실패라고 나옵니다. 왜 그런거죠...
 
 protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sign_up);
        edtSignEmail = findViewById(R.id.edtSignEmail);
        edtSignPwd = findViewById(R.id.edtSignPwd);
        edtSignName = findViewById(R.id.edtSignName);
        btnSignUpFinish = findViewById(R.id.btnSignUpFinish);
        mFirebaseAuth = FirebaseAuth.getInstance();
        btnSignUpFinish.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                createUser(edtSignEmail.getText().toString().trim(),edtSignPwd.getText().toString().trim());
            }
        });
    }
    private void createUser(String email, String password) {
        mFirebaseAuth.createUserWithEmailAndPassword(email,password)
                .addOnCompleteListener(SignUp.this, new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                        if(task.isSuccessful()){
                            Toast.makeText(SignUp.this, "회원가입 성공", Toast.LENGTH_SHORT).show();
                        }else{
                            Toast.makeText(SignUp.this, "회원가입 실패", Toast.LENGTH_SHORT).show();
                        }
                    }
                });
    } 
dependencies {
    implementation 'androidx.appcompat:appcompat:1.4.1'
    implementation 'com.google.android.material:material:1.5.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
    implementation 'com.google.firebase:firebase-auth:21.0.2'
    implementation platform('com.google.firebase:firebase-bom:29.1.0')
    testImplementation 'junit:junit:4.+'
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}