Erro no console, esta dando o erro

</head>
<body>

    <header>
        <div class="container">
            <h1>Aparecida Nutrição</h1>
        </div>
    </header>
    <main>
        <section class="container">
            <h2>Meus pacientes</h2>
            <table>
                <thead>
                    <tr>
                        <th>Nome</th>
                        <th>Peso(kg)</th>
                        <th>Altura(m)</th>
                        <th>Gordura Corporal(%)</th>
                        <th>IMC</th>
                    </tr>
                </thead>
                <tbody id="tabela-pacientes" id="primeiro-paciente">
                    <tr class="paciente" >
                        <td class="info-nome">Paulo</td>
                        <td class="info-peso">100</td>
                        <td class="info-altura">2.00</td>
                        <td class="info-gordura">10</td>
                        <td class="info-imc">0</td>
                    </tr>

                    <tr class="paciente" >
                        <td class="info-nome">João</td>
                        <td class="info-peso">80</td>
                        <td class="info-altura">1.72</td>
                        <td class="info-gordura">40</td>
                        <td class="info-imc">0</td>
                    </tr>

                    <tr class="paciente" >
                        <td class="info-nome">Erica</td>
                        <td class="info-peso">54</td>
                        <td class="info-altura">1.64</td>
                        <td class="info-gordura">14</td>
                        <td class="info-imc">0</td>
                    </tr>

                    <tr class="paciente">
                        <td class="info-nome">Douglas</td>
                        <td class="info-peso">85</td>
                        <td class="info-altura">1.73</td>
                        <td class="info-gordura">24</td>
                        <td class="info-imc">0</td>
                    </tr>
                    <tr class="paciente" >
                        <td class="info-nome">Tatiana</td>
                        <td class="info-peso">46</td>
                        <td class="info-altura">1.55</td>
                        <td class="info-gordura">19</td>
                        <td class="info-imc">0</td>
                    </tr>
                </tbody>
            </table>

        </section>
    </main>

    <script src="js/principal.js"></script>
</body>
``` console.log("fui carregado de um arquivo externo");
var titulo = document.querySelector("h1"); titulo.textContent = "Aparecida Nutricionista";
var paciente = document.querySelector("#primeiro-paciente"); console.log("paciente"); `