Joomla error 500 - Unable to load renderer class
If you get a Joomla error 500 - Unable to load renderer class, the first thing you want to check your jdoc code in your template.
The allowable jdoc types are component, head, message, module and modules, eg
<jdoc:include type="component" />
or
<jdoc:include type="head" />
If it's a module position then the typical format is
<jdoc:include type="modules" name="module_name" style="style_name" />
eg
<jdoc:include type="modules" name="footer" style="none" />
The most likely cause for your error is that you haven't used the correct format in a jdoc statement, for example the following will produce an error
<jdoc:include type="footer" />
Note that capitalisation is important, keep everything lowercase, and if it's a module position be sure to use type="modules" / name="module_name" format
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