Error upgrading from CE to EE

Problem: Error upgrading from CE to EE

Your upgrade from Magento Open Source (formerly Community Edition) to Magento Commerce (formerly Enterprise Edition) might fail with the following error:

[2016-01-19 23:33:24 UTC] An error occurred while executing job 
"setup:upgrade {"command":"setup:upgrade"}": Could not complete 
setup:upgrade {"command":"setup:upgrade"} successfully: Source 
class "\Cybersource" for "CybersourceLogger" generation does not exist.

If this error displays, resolve it as follows:

1. Log in to your Magento server as the Magento file system owner.

2. Enter the following commands in the order shown:

   php <your Magento install dir>/bin/magento setup:upgrade
   

3. After the command completes, verify your upgrade was successful:

   php bin/magento --version