Microsoft has just released the following KB Article:
The Citrix Connector Synchronization task is unsuccessful when you install or use the Citrix Connector for System Center Configuration Manager
Symptoms
When you install or use the Citrix Connector for System Center Configuration Manager, the Citrix Connector Synchronization task is unsuccessful. Additionally, you receive the following error message from the Citrix Connector:
An error has occurred during the execution of the synchronization task.
The inner exception details show a generic failure and description of the error : Mismatched Collection Type: -> SMS00001