Fatal error: Uncaught exception Exception with message Could not connect to the FTP server thrown in …/system/libraries/FTP.php on line 104

#0 …/system/libraries/FTP.php(219): FTP->connect()
#1 …/system/libraries/FTP.php(198): FTP->rename('system/tmp/f31b...', 'system/tmp/3ba1...')
#2 …/system/libraries/File.php(289): FTP->fclose(Resource id #104)
#3 …/system/modules/frontend/FrontendTemplate.php(170): File->close()
#4 …/system/modules/frontend/PageRegular.php(171): FrontendTemplate->output()
#5 …/index.php(266): PageRegular->generate(Object(DB_Mysql_Result))
#6 …/index.php(401): Index->run()
#7 {main}