I'm tryingto extend Magento2 Adminhtml with some custom nodes, which has worked good so far. What I'm trying to do now is to figure out how this error is happening:
Exception #0 (Exception): Notice: Undefined index: id in /var/www/magento/vendor/magento/module-config/Model/Config/Structure/Element/Iterator.php on line 63
So basically this issue is coming from malformed XML files that handles my adminhtml.
ACL:
<?xml version="1.0" ?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Acl/etc/acl.xsd">
<acl>
<resources>
<resource id="Magento_Backend::admin">
<resource id="Magento_Backend::stores">
<resource id="Magento_Backend::stores_settings">
<resource id="Magento_Config::config">
<resource id="Vendor_Module::config" title="Config for Advanced Catalog" sortOrder="100"/>
</resource>
</resource>
</resource>
</resource>
</resources>
</acl>
</config>
config:
<?xml version="1.0" ?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
<default>
<advancedcatalog>
<general>
<enabled>1</enabled>
<debug>0</debug>
</general>
</advancedcatalog>
</default>
</config>
system.xml:
<?xml version="1.0" ?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
<system>
<section id="advancedcatalog" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" translate="label">
<label>Advanced Catalog</label>
<tab>advancedcatalog</tab>
<resource>Vendor_Module::config</resource>
<group id="general" translate="label" type="text" sortOrder="1" showInDefault="1" showInWebsite="1"
showInStore="1">
<label>General</label>
<field id="enabled" translate="label" type="select" sortOrder="1" showInDefault="1" showInStore="1"
showInWebsite="1">
<label>Enabled</label>
<source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
</field>
<field id="debug" translate="label" type="select" sortOrder="2" showInDefault="1" showInStore="1"
showInWebsite="1">
<label>Debug Mode</label>
<source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
</field>
</group>
</section>
</system>
</config>
However, if I flush and clean cache's I'll get the error message. I do know that this error is coming when there are different IDs, however I cannot figure out where I made my mistake.