Fatal error: Uncaught TypeError: ftp_nlist(): Argument #1 ($ftp) must be of type FTP\Connection, null given in /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-admin/includes/class-wp-filesystem-ftpext.php:438 Stack trace: #0 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-admin/includes/class-wp-filesystem-ftpext.php(438): ftp_nlist(NULL, '/home/clients/f...') #1 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-content/themes/stoni/core/class/dynamic-styles.php(490): WP_Filesystem_FTPext->exists('/home/clients/f...') #2 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/class-wp-hook.php(324): Stoni_dynamic_styles->add_style('') #3 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #4 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/script-loader.php(2277): do_action('wp_enqueue_scri...') #6 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/class-wp-hook.php(324): wp_enqueue_scripts('') #7 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #8 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #9 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/general-template.php(3192): do_action('wp_head') #10 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-content/themes/stoni/header.php(27): wp_head() #11 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/template.php(810): require_once('/home/clients/f...') #12 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/template.php(745): load_template('/home/clients/f...', true, Array) #13 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #14 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-content/plugins/elementor/modules/page-templates/templates/header-footer.php(9): get_header() #15 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-includes/template-loader.php(106): include('/home/clients/f...') #16 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-blog-header.php(19): require_once('/home/clients/f...') #17 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/index.php(17): require('/home/clients/f...') #18 {main} thrown in /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/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/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php:34 Stack trace: #0 /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(658): wfWAFStorageFile::atomicFilePutContents('/home/clients/f...', '<?php exit('Acc...') #1 [internal function]: wfWAFStorageFile->saveConfig('livewaf') #2 {main} thrown in /home/clients/f5bac76d3eb491d46a40c90c01b6340f/sites/smart-switch.ch/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php on line 34