Some of the modules used by your store contain code that must be executed before the upgrade process begins. For the code to be executed successfully, the modules must be enabled. However, some of the modules containing such code are now disabled. This will prevent the pre-upgrade code from execution and is highly likely to cause problems, like a fatal error.<br /><br />Listed below are the modules that contain pre-upgrade code and are disabled. Here you can specify the modules for which you want the pre-upgrade code to be executed: