<br />
<b>Notice</b>:  include(): Read of 8692 bytes failed with errno=12 Cannot allocate memory in <b>/home/parkwood/public_html/wp-content/plugins/popup-maker/vendor-prefixed/composer/ClassLoader.php</b> on line <b>576</b><br />
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<b>Notice</b>:  include(): Read of 8692 bytes failed with errno=12 Cannot allocate memory in <b>/home/parkwood/public_html/wp-content/plugins/popup-maker/vendor-prefixed/composer/ClassLoader.php</b> on line <b>576</b><br />
class, check if old settings exist.
		$version         = \PopupMaker\detect_previous_install_version();
		$initial_version = \PopupMaker\detect_initial_install_version();
		$installed_on    = \PopupMaker\detect_initial_install_date();
		$upgraded_from   = get_option( 'pum_ver_upgraded_from', null );

		$data = [
			// Setting to 0.0.0 if not set forces a "migration" to run.
			'version'         => $version ? $version : '0.0.0',
			'upgraded_from'   => $upgraded_from ? (string) $upgraded_from : null,
			'initial_version' => $initial_version ? $initial_version : $version,
			'installed_on'    => $installed_on,
		];

		return $data;
	}

	/**
	 * Add default services to our Container.
	 *
	 * @return void
	 */
	protected function register_services() {
		/**
		 * Attach our container to the global.
		 */
		$GLOBALS[ $this->get( 'option_prefix' ) ] = $this;

		/**
		 * Check if this is the core plugin.
		 *
		 * Because extensions extend this class for access to services,
		 * we only want to load the core services if this is the core plugin.
		 */
		$this->set(
			'options',
			/**
			 * Get plugin options.
			 *
			 * @return \PopupMaker\Services\Options
			 */
			function ( $container ) {
				return new \PopupMaker\Services\Options( $container );
			}
		);

		$this->set(
			'connect',
			/**
			 * Get plugin connect.
			 *
			 * @return Connect
			 */
			function ( $container ) {
				return new \PopupMaker\Services\Connect( $container );
			}
		);

		$this->set(
			'license',
			/**
			 * Get plugin license.
			 *
			 * @return License
			 */
			function ( $container ) {
				return new \PopupMaker\Services\License( $container );
			}
		);

		$this->set(
			'logging',
			/**
			 * Get plugin logging.
			 *
			 * @return Logging
			 */
			function ( $container ) {
				return new \PopupMaker\Services\Logging( $container );
			}
		);

		$this->set(
			'upgrader',
			/**
			 * Get plugin upgrader.
			 *
			 * @return Upgrader
			 */
			function ( $container ) {
				return new \PopupMaker\Services\Upgrader( $container );
			}
		);

		$this->set(
			'popups',
			/**
			 * Get user popups from the database.
			 *
			 * @return \PopupMaker\Services\Repository\Popups
			 */
			function ( $container ) {
				return new \PopupMaker\Services\Repository\Popups( $container );
			}
		);

		$this->set(
			'ctas',
			/**
			 * Get user call to actions from the database.
			 *
			 * @return \PopupMaker\Services\Repository\CallToActions
			 */
			function ( $container ) {
				return new \PopupMaker\Services\Repository\CallToActions( $container );
			}
		);

		$this->set(
			'cta_types',
			/**
			 * Get registered call to actions types.
			 *
			 * @return \PopupMaker\Services\Collector\CallToActionTypes
			 */
			function ( $container ) {
				return new \PopupMaker\Services\Collector\CallToActionTypes( $container );
			}
		);

		// $this->set(
		// 'rules',
			/**
			 * Get plugin rules.
			 *
			 * @return \PopupMaker\RuleEngine\Rules
			 */
			// function () {
			// return new \PopupMaker\RuleEngine\Rules();
			// }
		// );

		$this->set(
			'globals',
			/**
			 * Get plugin global manager.
			 *
			 * @return \PopupMaker\Services\Globals
			 */
			function () {
				return new \PopupMaker\Services\Globals();
			}
		);

		$this->set(
			'link_click_tracking',
			/**
			 * Get link click tracking service.
			 *
			 * @return \PopupMaker\Services\LinkClickTracking
			 */
			function ( $container ) {
				return new \PopupMaker\Services\LinkClickTracking( $container );
			}
		);

		$this->set(
			'form_conversion_tracking',
			/**
			 * Get form conversion tracking service.
			 *
			 * @return \PopupMaker\Services\FormConversionTracking
			 */
			function ( $container ) {
				return new \PopupMaker\Services\FormConversionTracking( $container );
			}
		);

		$this->set(
			'notifications',
			/**
			 * Get notifications orchestrator service.
			 *
			 * @return \PopupMaker\Services\Notifications\Manager
			 */
			function ( $container ) {
				return new \PopupMaker\Services\Notifications\Manager( $container );
			}
		);

		do_action( 'popup_maker/register_services', $this );
	}

	/**
	 * Initialize services.
	 *
	 * @return void
	 */
	protected function init_services() {
		$license = $this->get( 'license' );

		// Initialize link click tracking.
		$link_click_tracking = $this->get( 'link_click_tracking' );
		$link_click_tracking->init();

		// Initialize form conversion tracking.
		$form_conversion_tracking = $this->get( 'form_conversion_tracking' );
		$form_conversion_tracking->init();

		/*
		 * Defer notifications orchestrator init until WordPress's `init`
		 * action. Core loads on plugins_loaded@11, but addons (Pro, Pro+,
		 * integrations) load at priority 12+ and need a window to register
		 * their own providers via the `popup_maker/notification_providers`
		 * filter before the Manager resolves the provider list.
		 */
		add_action( 'init', function () {
			$this->get( 'notifications' )->init();
		}, 5 );
	}

	/**
	 * Get the options service.
	 *
	 * @return \PopupMaker\Services\Options
	 * @throws \PopupMaker\Vendor\Pimple\Exception\UnknownIdentifierException
	 */
	public function options() {
		return $this->get( 'options' );
	}

	/**
	 * Get plugin option.
	 *
	 * @param string        $key Option key.
	 * @param boolean|mixed $default_value Default value.
	 * @return mixed
	 */
	public function get_option( $key, $default_value = false ) {
		// Use old class directly to get all old options.
		$deprecated_options = \PUM_Utils_Options::get_all();

		if ( isset( $deprecated_options[ $key ] ) ) {
			// Use the old class to get the option, specifically for backwards compatibility as it has filters.
			return \PUM_Utils_Options::get( $key, $default_value );
		}

		return $this->options()->get( $key, $default_value );
	}

	/**
	 * Get plugin permissions.
	 *
	 * @return array<string,string> Array of permissions.
	 */
	public function get_permissions() {
		$permissions = \PopupMaker\get_default_permissions();

		$user_permisions = $this->options()->get( 'permissions', [] );

		if ( ! empty( $user_permisions ) ) {
			foreach ( $user_permisions as $cap => $user_permission ) {
				if ( ! empty( $user_permission ) ) {
					$permissions[ $cap ] = $user_permission;
				}
			}
		}

		return $permissions;
	}

	/**
	 * Get plugin permission for capability.
	 *
	 * @param string $cap Permission key.
	 *
	 * @return string User role or cap required.
	 */
	public function get_permission( $cap ) {
		$permissions = $this->get_permissions();

		return isset( $permissions[ $cap ] ) ? $permissions[ $cap ] : 'manage_options';
	}

	/**
	 * Check if debug mode is enabled.
	 *
	 * This is only used to change from minified to unminified
	 * assets to make debugging easier, specifically when logged out.
	 *
	 * @return boolean
	 */
	public function is_debug_mode_enabled() {
		// Ignored as we are simply checking for a query var's existence.
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		return isset( $_GET['pum_debug'] ) || \PUM_Utils_Options::get( 'debug_mode', false );
	}

	/**
	 * Check if pro version is installed.
	 *
	 * @return boolean
	 */
	public function is_pro_installed() {
		return file_exists( WP_PLUGIN_DIR . '/popup-maker-pro/popup-maker-pro.php' );
	}

	/**
	 * Check if pro version is active.
	 *
	 * @return boolean
	 */
	public function is_pro_active() {
		return $this->is_pro_installed() && function_exists( '\PopupMaker\Pro\plugin' );
	}

	/**
	 * Get Pro plugin version if installed.
	 *
	 * @return string Pro plugin version or empty string if not installed.
	 */
	public function get_pro_version() {
		$pro_plugin_file = WP_PLUGIN_DIR . '/popup-maker-pro/popup-maker-pro.php';

		if ( ! file_exists( $pro_plugin_file ) ) {
			return '';
		}

		if ( ! function_exists( 'get_plugin_data' ) ) {
			require_once ABSPATH . 'wp-admin/includes/plugin.php';
		}

		$plugin_data = get_plugin_data( $pro_plugin_file, false, false );
		return isset( $plugin_data['Version'] ) ? $plugin_data['Version'] : '';
	}

	/**
	 * Check if license is active.
	 *
	 * @return boolean
	 */
	public function is_license_active() {
		return $this->get( 'license' )->is_license_active();
	}

	/**
	 * Check if any Popup Maker extensions are active.
	 *
	 * @return boolean
	 */
	public function has_extensions() {
		$enabled_extensions = pum_enabled_extensions();
		return ! empty( $enabled_extensions );
	}

	/**
	 * Check if any Pro+ addons are active.
	 *
	 * @return boolean
	 */
	public function has_pro_plus_addons() {
		// Pro+ addons include ecommerce-popups and lms-popups.
		return pum_extension_enabled( 'ecommerce-popups' ) || pum_extension_enabled( 'lms-popups' );
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class &quot;PopupMaker\Plugin\Core&quot; not found in /home/parkwood/public_html/wp-content/plugins/popup-maker/bootstrap.php:115
Stack trace:
#0 /home/parkwood/public_html/wp-content/plugins/popup-maker/bootstrap.php(131): PopupMaker\plugin_instance()
#1 /home/parkwood/public_html/wp-content/plugins/popup-maker/includes/legacy/class-popup-maker.php(137): PopupMaker\plugin()
#2 /home/parkwood/public_html/wp-content/plugins/popup-maker/includes/legacy/class-popup-maker.php(111): Popup_Maker-&gt;setup_constants()
#3 /home/parkwood/public_html/wp-content/plugins/popup-maker/bootstrap.legacy.php(168): Popup_Maker::instance()
#4 /home/parkwood/public_html/wp-content/plugins/popup-maker/bootstrap.legacy.php(125): pum()
#5 /home/parkwood/public_html/wp-includes/class-wp-hook.php(341): pum_init_legacy('')
#6 /home/parkwood/public_html/wp-includes/class-wp-hook.php(365): WP_Hook-&gt;apply_filters(Object(REALLY_SIMPLE_SSL), Array)
#7 /home/parkwood/public_html/wp-includes/plugin.php(522): WP_Hook-&gt;do_action(Array)
#8 /home/parkwood/public_html/wp-settings.php(622): do_action('plugins_loaded')
#9 /home/parkwood/public_html/wp-config.php(95): require_once('/home/parkwood/...')
#10 /home/parkwood/public_html/wp-load.php(50): require_once('/home/parkwood/...')
#11 /home/parkwood/public_html/wp-blog-header.php(13): require_once('/home/parkwood/...')
#12 /home/parkwood/public_html/index.php(17): require('/home/parkwood/...')
#13 {main}
  thrown in <b>/home/parkwood/public_html/wp-content/plugins/popup-maker/bootstrap.php</b> on line <b>115</b><br />