Fatal error: Uncaught TypeError: ftp_fget(): Argument #1 ($ftp) must be of type FTP\Connection, null given in /home/agrolskl/public_html/wp-admin/includes/class-wp-filesystem-ftpext.php:146
Stack trace:
#0 /home/agrolskl/public_html/wp-admin/includes/class-wp-filesystem-ftpext.php(146): ftp_fget(NULL, Resource id #964, '/home/agrolskl/...', 2)
#1 /home/agrolskl/public_html/wp-content/plugins/trustdeal-optimize/app/Services/PageSpeedService.php(122): WP_Filesystem_FTPext->get_contents('/home/agrolskl/...')
#2 /home/agrolskl/public_html/wp-content/plugins/trustdeal-optimize/app/Services/PageSpeedService.php(74): Pols\App\Services\PageSpeedService->putCriticalCss(Object(simple_html_dom\simple_html_dom))
#3 /home/agrolskl/public_html/wp-content/plugins/trustdeal-optimize/app/Services/OptimizeService.php(67): Pols\App\Services\PageSpeedService->execute('<!DOCTYPE html>...')
#4 /home/agrolskl/public_html/wp-content/plugins/trustdeal-optimize/app/Services/OptimizeService.php(51): Pols\App\Services\OptimizeService->processSpeed('<!DOCTYPE html>...')
#5 /home/agrolskl/public_html/wp-includes/class-wp-hook.php(324): Pols\App\Services\OptimizeService->Pols\App\Services\{closure}('')
#6 /home/agrolskl/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array)
#7 /home/agrolskl/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#8 /home/agrolskl/public_html/wp-includes/load.php(1304): do_action('shutdown')
#9 [internal function]: shutdown_action_hook()
#10 {main}
thrown in /home/agrolskl/public_html/wp-admin/includes/class-wp-filesystem-ftpext.php on line 146