anually.
		if ( empty( $this->locations_queue[ $location ] ) ) {
			return false;
		}

		if ( is_singular() ) {
			Utils::set_global_authordata();
		}

		/**
		 * Before location content printed.
		 *
		 * Fires before Elementor location was printed.
		 *
		 * The dynamic portion of the hook name, `$location`, refers to the location name.
		 *
		 * @since 2.0.0
		 *
		 * @param Locations_Manager $this An instance of locations manager.
		 */
		do_action( "elementor/theme/before_do_{$location}", $this );

		while ( ! empty( $this->locations_queue[ $location ] ) ) {
			$document_id = key( $this->locations_queue[ $location ] );
			$document = Module::instance()->get_document( $document_id );

			if ( ! $document || $this->is_printed( $location, $document_id ) ) {
				$this->skip_doc_in_location( $location, $document_id );
				continue;
			}

			// `$documents_by_conditions` can pe current post even if it's a draft.
			if ( empty( $documents_by_conditions[ $document_id ] ) ) {

				$post_status = get_post_status( $document_id );

				if ( 'publish' !== $post_status ) {
					$this->inspector_log( [
						'location' => $location,
						'document' => $document,
						'description' => 'Added manually but skipped because is not Published',
					] );

					$this->skip_doc_in_location( $location, $document_id );
					continue;
				}
			}

			$this->inspector_log( [
				'location' => $location,
				'document' => $document,
				'description' => isset( $documents_by_conditions[ $document_id ] ) ? 'Added By Condition' : 'Added Manually',

			] );

			$this->current_location = $location;
			$document->print_content();
			$this->did_locations[] = $this->current_location;
			$this->current_location = null;

			$this->set_is_printed( $location, $document_id );
		}

		/**
		 * After location content printed.
		 *
		 * Fires after Elementor location was printed.
		 *
		 * The dynamic portion of the hook name, `$location`, refers to the location name.
		 *
		 * @since 2.0.0
		 *
		 * @param Locations_Manager $this An instance of locations manager.
		 */
		do_action( "elementor/theme/after_do_{$location}", $this );

		return true;
	}

	public function did_location( $location ) {
		return in_array( $location, $this->did_locations, true );
	}

	public function get_current_location() {
		return $this->current_location;
	}

	public function builder_wrapper( $content ) {
		$post_id = get_the_ID();

		if ( $post_id ) {
			$document = Module::instance()->get_document( $post_id );
			if ( $document ) {
				$document_location = $document->get_location();
				$location_settings = $this->get_location( $document_location );
				// If is a `content` document or the theme is not support the document location (header/footer and etc.).
				if ( $location_settings && ! $location_settings['edit_in_content'] ) {
					$content = '<div class="elementor-theme-builder-content-area">' . esc_html__( 'Content Area', 'elementor-pro' ) . '</div>';
				}
			}
		}

		return $content;
	}

	public function get_locations( $filter_args = [] ) {
		$this->register_locations();

		if ( is_string( $filter_args ) ) {
			_deprecated_argument( __FUNCTION__, '2.4.0', 'Passing a location name is deprecated. Use `get_location` instead.' );
			return $this->get_location( $filter_args );
		}

		return wp_list_filter( $this->locations, $filter_args );
	}

	public function get_location( $location ) {
		$locations = $this->get_locations();

		if ( isset( $locations[ $location ] ) ) {
			$location_config = $locations[ $location ];
		} else {
			$location_config = [];
		}

		return $location_config;
	}

	public function get_doc_location( $post_id ) {
		/** @var Theme_Document $document */
		$document = Plugin::elementor()->documents->get( $post_id );

		return $document->get_location();
	}

	public function get_core_locations() {
		return $this->core_locations;
	}

	public function register_all_core_location() {
		foreach ( $this->core_locations as $location => $settings ) {
			$this->register_location( $location, $settings );
		}
	}

	public function register_location( $location, $args = [] ) {
		$args = wp_parse_args( $args, [
			'label' => $location,
			'multiple' => false,
			'public' => true,
			'edit_in_content' => true,
			'hook' => 'elementor/theme/' . $location,
		] );

		$this->locations[ $location ] = $args;

		add_action( $args['hook'], function() use ( $location, $args ) {
			$did_location = Module::instance()->get_locations_manager()->do_location( $location );

			if ( $did_location && ! empty( $args['remove_hooks'] ) ) {
				foreach ( $args['remove_hooks'] as $item ) {
					remove_action( $args['hook'], $item );
				}
			}
		}, 5 );
	}

	public function register_core_location( $location, $args = [] ) {
		if ( ! isset( $this->core_locations[ $location ] ) ) {
			/* translators: %s: Location name. */
			wp_die( esc_html( sprintf( esc_html__( 'Location \'%s\' is not a core location.', 'elementor-pro' ), $location ) ) );
		}

		$args = array_replace_recursive( $this->core_locations[ $location ], $args );

		$this->register_location( $location, $args );
	}

	public function location_exits( $location = '', $check_match = false ) {
		$location_exits = ! ! $this->get_location( $location );

		if ( $location_exits && $check_match ) {
			$location_exits = ! ! Module::instance()->get_conditions_manager()->get_documents_for_location( $location );
		}

		return $location_exits;
	}

	public function filter_add_location_meta_on_create_new_post( $meta ) {
		if ( ! empty( $_GET['meta_location'] ) ) {
			$meta[ Theme_Document::LOCATION_META_KEY ] = $_GET['meta_location'];
		}

		return $meta;
	}

	private function set_core_locations() {
		$this->core_locations = [
			'header' => [
				'is_core' => true,
				'public' => false,
				'label' => esc_html__( 'Header', 'elementor-pro' ),
				'edit_in_content' => false,
			],
			'footer' => [
				'is_core' => true,
				'public' => false,
				'label' => esc_html__( 'Footer', 'elementor-pro' ),
				'edit_in_content' => false,
			],
			'archive' => [
				'is_core' => true,
				'public' => false,
				'overwrite' => true,
				'label' => esc_html__( 'Archive', 'elementor-pro' ),
				'edit_in_content' => true,
			],
			'single' => [
				'is_core' => true,
				'public' => false,
				'label' => esc_html__( 'Single', 'elementor-pro' ),
				'edit_in_content' => true,
			],
		];
	}

	public function inspector_log( $args ) {
		$inspector_enabled = method_exists( Plugin::elementor()->inspector, 'is_enabled' ) && Plugin::elementor()->inspector->is_enabled();
		if ( ! $inspector_enabled ) {
			return;
		}

		$title = [];
		$url = '';

		if ( isset( $args['location'] ) ) {
			$location_settings = $this->get_location( $args['location'] );
			if ( $location_settings ) {
				$args['location'] = $location_settings['label'];
			}
			$title[] = 'Location: ' . $args['location'];
		}

		if ( isset( $args['description'] ) ) {
			$title[] = $args['description'];
		}

		if ( ! empty( $args['document'] ) ) {
			$title[] = esc_html( $args['document']->get_post()->post_title );
			$url = $args['document']->get_edit_url();
		}

		if ( isset( $args['template'] ) ) {
			$title[] = Plugin::elementor()->inspector->parse_template_path( $args['template'] );
		}

		$title = implode( ' > ', $title );

		Plugin::elementor()->inspector->add_log( 'Theme', $title, $url );
	}

	private function filter_page_template_locations( array $locations ) {
		$templates_to_filter = [
			PageTemplatesModule::TEMPLATE_CANVAS,
			PageTemplatesModule::TEMPLATE_HEADER_FOOTER,
		];

		if ( ! in_array( $this->current_page_template, $templates_to_filter, true ) ) {
			return $locations;
		}

		if ( PageTemplatesModule::TEMPLATE_CANVAS === $this->current_page_template ) {
			$allowed_core = [];
		} else {
			$allowed_core = [ 'header', 'footer' ];
		}

		foreach ( $locations as $location => $settings ) {
			if ( ! empty( $settings['is_core'] ) && ! in_array( $location, $allowed_core, true ) ) {
				unset( $locations[ $location ] );
			}
		}

		return $locations;
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'ElementorPro\Modules\ThemeBuilder\Classes\Locations_Manager' not found in /home/ocb/public_html/wp-content/plugins/elementor-pro/modules/theme-builder/module.php:413
Stack trace:
#0 /home/ocb/public_html/wp-content/plugins/elementor/core/base/module.php(85): ElementorPro\Modules\ThemeBuilder\Module-&gt;__construct()
#1 /home/ocb/public_html/wp-content/plugins/elementor-pro/core/modules-manager.php(84): Elementor\Core\Base\Module::instance()
#2 /home/ocb/public_html/wp-content/plugins/elementor-pro/plugin.php(327): ElementorPro\Core\Modules_Manager-&gt;__construct()
#3 /home/ocb/public_html/wp-includes/class-wp-hook.php(324): ElementorPro\Plugin-&gt;on_elementor_init('')
#4 /home/ocb/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters('', Array)
#5 /home/ocb/public_html/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#6 /home/ocb/public_html/wp-content/plugins/elementor/includes/plugin.php(647): do_action('elementor/init')
#7 /home/ocb/public_html/wp-includes/class-wp-ho in <b>/home/ocb/public_html/wp-content/plugins/elementor-pro/modules/theme-builder/module.php</b> on line <b>413</b><br />