Error when transferring from a local server to a hosting - how to solve?

Question

opencart

Fatal error: Uncaught Error: Class 'openbay' not found in /profiles/d/de/dey/deyansherp/dressmartly.zzz.com.ua/system/storage/modification/system/engine/loader.php:110 Stack trace: #0 /profiles/d/de/dey/deyansherp/dressmartly.zzz.com.ua/system/framework.php(81): Loader->library('openbay') #1 /profiles/d/de/dey/ deyansherp/dressmartly.zzz.com.ua/system/startup.php(105): require_once('/profiles/d/de/...') #2 /profiles/d/de/dey/deyansherp/dressmartly.zzz .com.ua/index.php(19): start('catalog') #3 {main} thrown in /profiles/d/de/dey/deyansherp/dressmartly.zzz.com.ua/system/storage/modification/ system/engine/loader.php on line 110