Fatal error: Uncaught TypeError: ftp_nlist(): Argument #1 ($ftp) must be of type FTP\Connection, null given in /home/arshahzadkhan/public_html/wp-admin/includes/class-wp-filesystem-ftpext.php:438 Stack trace: #0 /home/arshahzadkhan/public_html/wp-admin/includes/class-wp-filesystem-ftpext.php(438): ftp_nlist() #1 /home/arshahzadkhan/public_html/wp-admin/includes/class-wp-filesystem-ftpext.php(456): WP_Filesystem_FTPext->exists() #2 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/Logging/FileV2/File.php(254): WP_Filesystem_FTPext->is_file() #3 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/Logging/FileV2/File.php(437): Automattic\WooCommerce\Internal\Admin\Logging\FileV2\File->is_writable() #4 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/Logging/FileV2/FileController.php(135): Automattic\WooCommerce\Internal\Admin\Logging\FileV2\File->write() #5 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/Logging/LogHandlerFileV2.php(60): Automattic\WooCommerce\Internal\Admin\Logging\FileV2\FileController->write_to_file() #6 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce/includes/class-wc-logger.php(189): Automattic\WooCommerce\Internal\Admin\Logging\LogHandlerFileV2->handle() #7 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/wpo-ips-functions.php(383): WC_Logger->log() #8 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/Compatibility/FileSystem.php(104): wcpdf_log_error() #9 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/Compatibility/FileSystem.php(72): WPO\IPS\Compatibility\FileSystem->initialize_wp_filesystem() #10 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/Compatibility/FileSystem.php(46): WPO\IPS\Compatibility\FileSystem->__construct() #11 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/woocommerce-pdf-invoices-packingslips.php(158): WPO\IPS\Compatibility\FileSystem::instance() #12 /home/arshahzadkhan/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/woocommerce-pdf-invoices-packingslips.php(183): WPO_WCPDF->includes() #13 /home/arshahzadkhan/public_html/wp-includes/class-wp-hook.php(324): WPO_WCPDF->load_classes() #14 /home/arshahzadkhan/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #15 /home/arshahzadkhan/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #16 /home/arshahzadkhan/public_html/wp-settings.php(727): do_action() #17 /home/arshahzadkhan/public_html/wp-config.php(177): require_once('...') #18 /home/arshahzadkhan/public_html/wp-load.php(50): require_once('...') #19 /home/arshahzadkhan/public_html/wp-blog-header.php(13): require_once('...') #20 /home/arshahzadkhan/public_html/index.php(17): require('...') #21 {main} thrown in /home/arshahzadkhan/public_html/wp-admin/includes/class-wp-filesystem-ftpext.php on line 438

Fatal error: Uncaught wfWAFStorageFileException: Unable to save temporary file for atomic writing. in /home/arshahzadkhan/public_html/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php:34 Stack trace: #0 /home/arshahzadkhan/public_html/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(658): wfWAFStorageFile::atomicFilePutContents() #1 [internal function]: wfWAFStorageFile->saveConfig() #2 {main} thrown in /home/arshahzadkhan/public_html/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php on line 34