- login to the Admin Console
- go to the Configuration → Website → Modules section
- disable all modules, except In-Portal and In-Commerce
- go to the Tools → System Tools button
- press the Deploy button
- go to the Logs & Reports → System Log section
- confirm, that such warnings weren't added during unit config cache rebuild (happens during deployment):
* Prefix lst doesn't exist when trying to hook from p:OnSaveVirtualProduct in ...\core\kernel\managers\hook_manager.php on line 97` * Prefix lst doesn't exist when trying to hook from p:OnDeleteListingType in ...\core\kernel\managers\hook_manager.php on line 97 * Prefix lst doesn't exist when trying to hook from p:OnModifyPaidListingConfig in ...\core\kernel\managers\hook_manager.php on line 97