ما سبب خطأ "SQLSTATE[HY000]: General error: 1364 Field 'name' doesn't have a default value في لارافل

لدي الكود التالي في user model:

public function validationRules(){
        return [
                'name'     =>  'required',
                'email'    =>  'required|email|unique:users,email',
                'password' =>  'required|min:6',
        ];
    }

وذلك هو Patient model:

public function validationRules(){
        return [
                'first_name'      =>  'required', 
                'last_name'       =>  'required',
                'address'         =>  'required',
                'date_of_birth'   =>  'required',
                'phone_no'        =>  'required',
                'image'           =>  'required',
                'medical_history' =>  'required',
                'sex'             =>  'required',
                'blood_group'     =>  'required',
        ];

        if($request->hasFile('image')) {

            $fileNameWithExt    = $request->file('image')->getClientOriginalName();
            $fileName           = pathinfo($fileNameWithExt, PATHINFO_FILENAME);
            $fileSize           = $request->file('image')->getSize();
            $fileExt            = $request->file('image')->getClientOriginalExtension();
            $fileNameNew        = uniqid('', true) . time() . '.' . $fileExt;

        }
    }

وذلك هو الكود في PatientController:

public function edit(Patient $patient , User $user)
    {
        return view('Dashboard.default.patients.edit', compact('patient' , 'user' ));
    }
    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \App\Patient  $patient
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, User $user ,Patient $patient)
    {
       // User Validation
       $userValidData = $request->validate($user->validationRules());

       // Patient Validation
       $patientValidData = $request->validate($patient->validationRules());

        // save user data
            $userValidData['role_id']   = '10';
            $user->save();
    
            $patientValidData['user_id'] = $user->id;
            $patient->save();

            $success = 'the patient has been updated successfully';
            return redirect('/patients')->with('success', $success);
}