<code>
<config>
<system>
        <section id="trade_customer" translate="label" type="text" sortOrder="100" showInDefault="1" showInWebsite="1" showInStore="1">
            <class>separator-top</class>
            <label>Trade Customer</label>
            <tab>customer</tab>
            <resource>Magento_Customer::config_general</resource>
            <group id="general" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
                <label>General Configuration</label>
                <field id="error_used_message" translate="label" type="text" sortOrder="4" showInDefault="1" showInWebsite="1" showInStore="1">
                    <label>Error ID Used Response Message</label>
                    <comment>The error message will display when certificate ID has been previously used</comment>
                </field>
            </group>
        </section>
    </system>
</config>
</code>

<system>
              <section id="trans_email" translate="label" type="text" sortOrder="100" showInDefault="1" showInWebsite="1" showInStore="1">
                      <group id="general" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
                              <label>Careers Email</label>
                              <field id="careers_email_message" translate="label" type="text" sortOrder="4" showInDefault="1" showInWebsite="1" showInStore="1">
                                      <label>Careers Email</label>
                                      <comment>The error message will display when certificate ID has been previously used</comment>
                              </field>
                      </group>
              </section>
      </system>

<section id="trans_email" translate="label" type="text" sortOrder="100" showInDefault="1" showInWebsite="1" showInStore="1">
    <class>separator-top</class>
    <tab>general</tab>
    <resource>Magento_Config::trans_email</resource>
    <group id="general" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
        <label>General Configuration</label>
        <field id="error_used_message" translate="label" type="text" sortOrder="4" showInDefault="1" showInWebsite="1" showInStore="1">
            <label>Error ID Used Response Message</label>
            <comment>The error message will display when certificate ID has been previously used</comment>
        </field>
    </group>
</section>