XF 1.5 Having issues accessing the admin panel.

[bashea11]

When trying to load up the admin.php page

An exception occurred: Cannot load class using XFCP. Load the class using the correct loader first. in /home/user/public_html/forum/library/XenForo/Autoloader.php on line 113


XenForo_Autoloader->autoload()
spl_autoload_call() in XenForo/Model/AddOn.php at line 4
include() in XenForo/Autoloader.php at line 124
XenForo_Autoloader->autoload() in XenForo/Application.php at line 1052
XenForo_Application::autoload() in XenForo/Application.php at line 465
XenForo_Application::resolveDynamicClass() in XenForo/Model.php at line 189
XenForo_Model::create() in XenForo/Model.php at line 113
XenForo_Model->getModelFromCache() in XenForo/Model/AdminNavigation.php at line 341
XenForo_Model_AdminNavigation->filterUnviewableAdminNavigation() in XenForo/Model/AdminNavigation.php at line 406
XenForo_Model_AdminNavigation->getAdminNavigationForDisplay() in XenForo/Dependencies/Admin.php at line 227
XenForo_Dependencies_Admin->_getNavigationContainerParams() in XenForo/Dependencies/Admin.php at line 205
XenForo_Dependencies_Admin->getEffectiveContainerParams() in XenForo/FrontController.php at line 637
XenForo_FrontController->renderView() in XenForo/FrontController.php at line 158
XenForo_FrontController->run() in /home/user/public_html/forum/admin.php at line 13

AutoLoader.php

<?php

/**
* A constant that must be made available for any other XenForo class to be included.
*
* @var boolean
*/
define('XENFORO_AUTOLOADER_SETUP', true);

/**
* Base XenForo autoloader class. This must be the first class loaded and setup as the
* application/registry depends on it for loading classes.
*
* @package XenForo_Core
*/
class XenForo_Autoloader
{
    /**
    * Instance manager.
    *
    * @var XenForo_Autoloader
    */
    protected static $_instance;

    /**
    * Path to directory containing the application's library.
    *
    * @var string
    */
    protected $_rootDir = '.';

    /**
    * Stores whether the autoloader has been setup yet.
    *
    * @var boolean
    */
    protected $_setup = false;

    /**
    * Protected constructor. Use {@link getInstance()} instead.
    */
    protected function __construct()
    {
    }

    /**
    * Setup the autoloader. This causes the environment to be setup as necessary.
    *
    * @param string Path to application library directory. See {@link $_rootDir}
    */
    public function setupAutoloader($rootDir)
    {
        if ($this->_setup)
        {
            return;
        }

        $this->_rootDir = $rootDir;
        $this->_setupAutoloader();

        $this->_setup = true;
    }

    /**
    * Internal method that actually applies the autoloader. See {@link setupAutoloader()}
    * for external usage.
    */
    protected function _setupAutoloader()
    {
        if (@ini_get('open_basedir'))
        {
            // many servers don't seem to set include_path correctly with open_basedir, so don't use it
            set_include_path($this->_rootDir . PATH_SEPARATOR . '.');
        }
        else
        {
            set_include_path($this->_rootDir . PATH_SEPARATOR . '.' . PATH_SEPARATOR . get_include_path());
        }

        /*require_once('Zend/Loader/Autoloader.php');

        $autoloader = Zend_Loader_Autoloader::getInstance();
        $autoloader->pushAutoloader(array($this, 'autoload'));*/
        spl_autoload_register(array($this, 'autoload'));
    }

    /**
    * Autoload the specified class.
    *
    * @param string $class Name of class to autoload
    *
    * @return boolean
    */
    public function autoload($class)
    {
        if (class_exists($class, false) || interface_exists($class, false))
        {
            return true;
        }

        if ($class == 'utf8_entity_decoder')
        {
            return true;
        }

        if (substr($class, 0, 5) == 'XFCP_')
        {
            throw new XenForo_Exception('Cannot load class using XFCP. Load the class using the correct loader first.');
        }

        $filename = $this->autoloaderClassToFile($class);
        if (!$filename)
        {
            return false;
        }

        if (file_exists($filename))
        {
            include($filename);
            return (class_exists($class, false) || interface_exists($class, false));
        }

        return false;
    }

    /**
    * Resolves a class name to an autoload path.
    *
    * @param string Name of class to autoload
    *
    * @return string|false False if the class contains invalid characters.
    */
    public function autoloaderClassToFile($class)
    {
        if (preg_match('#[^a-zA-Z0-9_\\\\]#', $class))
        {
            return false;
        }

        return $this->_rootDir . '/' . str_replace(array('_', '\\'), '/', $class) . '.php';
    }

    /**
    * Gets the autoloader's root directory.
    *
    * @return string
    */
    public function getRootDir()
    {
        return $this->_rootDir;
    }

    /**
    * Gets the autoloader instance.
    *
    * @return XenForo_Autoloader
    */
    public static final function getInstance()
    {
        if (!self::$_instance)
        {
            self::$_instance = new self();
        }

        return self::$_instance;
    }

    /**
    * Manually sets the autoloader instance. Use this to inject a modified version.
    *
    * @param XenForo_Autoloader|null
    */
    public static function setInstance(XenForo_Autoloader $loader = null)
    {
        self::$_instance = $loader;
    }
}

Last thing I can remember is dropping a plugin in to my library, but I don't think that would effect the AutoLoader.php
PS. I'm slightly new to all of this, so I may ask further questions if you have a resolve.

 

[Infopro]

You might try this to see if it helps get you back in:
https://xenforo.com/help/disable-addons-config-php/

 

[bashea11]

You might try this to see if it helps get you back in:
https://xenforo.com/help/disable-addons-config-php/

Thank goodness I had the Xenforo folder backed up, for some reason there was some issues with it, but I managed to sort it all out. Thanks for your suggestion though!