Fatal error: Uncaught Error: Interface "FSVendor\WPDesk_Requirement_Checker" not found in /htdocs/wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-basic-requirements/src/Basic_Requirement_Checker.php:13
Stack trace:
#0 /htdocs/wp-content/plugins/elementor/vendor/composer/ClassLoader.php(576): include()
#1 /htdocs/wp-content/plugins/elementor/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/htdocs/wp-cont...')
#2 [internal function]: Composer\Autoload\ClassLoader->loadClass('FSVendor\\WPDesk...')
#3 /htdocs/wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-basic-requirements/src/Basic_Requirement_Checker.php(8): class_exists('FSVendor\\WPDesk...')
#4 /htdocs/wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-basic-requirements/src/Basic_Requirement_Checker_Factory.php(6): require_once('/htdocs/wp-cont...')
#5 /htdocs/wp-content/plugins/elementor/vendor/composer/ClassLoader.php(576): include('/htdocs/wp-cont...')
#6 /htdocs/wp-content/plugins/elementor/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/htdocs/wp-cont...')
#7 /htdocs/wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-plugin-flow-common/src/PluginBootstrap.php(139): Composer\Autoload\ClassLoader->loadClass('FSVendor\\WPDesk...')
#8 /htdocs/wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-plugin-flow-common/src/PluginBootstrap.php(76): FSVendor\WPDesk\Plugin\Flow\PluginBootstrap->create_requirements_checker()
#9 /htdocs/wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-plugin-flow-common/src/plugin-init-php52.php(42): FSVendor\WPDesk\Plugin\Flow\PluginBootstrap->run()
#10 /htdocs/wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-plugin-flow-common/src/plugin-init-php52-free.php(23): require('/htdocs/wp-cont...')
#11 /htdocs/wp-content/plugins/flexible-shipping/flexible-shipping.php(78): require('/htdocs/wp-cont...')
#12 /htdocs/wp-settings.php(526): include_once('/htdocs/wp-cont...')
#13 /htdocs/wp-config.php(86): require_once('/htdocs/wp-sett...')
#14 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#15 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#16 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#17 {main}
thrown in /htdocs/wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-basic-requirements/src/Basic_Requirement_Checker.php on line 13