Warning: include() [function.include]: Failed opening '/var/www/hotchili.dk/kito.se/wp-content/plugins/wp-config-file-editor/vendor/composer/../../Libraries/PersistObject.abstract.php' for inclusion (include_path='.') in /var/www/hotchili.dk/kito.se/wp-content/plugins/one-click-demo-import/vendor/composer/ClassLoader.php on line 444

Fatal error: Uncaught Error: Class 'WCFE\Libraries\PersistObject' not found in /var/www/hotchili.dk/kito.se/wp-content/plugins/wp-config-file-editor/Libraries/InstallerService.abstract.php:11 Stack trace: #0 /var/www/hotchili.dk/kito.se/wp-content/plugins/one-click-demo-import/vendor/composer/ClassLoader.php(444): include() #1 /var/www/hotchili.dk/kito.se/wp-content/plugins/one-click-demo-import/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/var/www/hotchi...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('WCFE\\Libraries\\...') #3 /var/www/hotchili.dk/kito.se/wp-content/plugins/wp-config-file-editor/Installer/Installer.class.php(13): spl_autoload_call('WCFE\\Libraries\\...') #4 /var/www/hotchili.dk/kito.se/wp-content/plugins/one-click-demo-import/vendor/composer/ClassLoader.php(444): include('/var/www/hotchi...') #5 /var/www/hotchili.dk/kito.se/wp-content/plugins/one-click-demo-import/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/var/www/hotchi...') #6 [i in /var/www/hotchili.dk/kito.se/wp-content/plugins/wp-config-file-editor/Libraries/InstallerService.abstract.php on line 11