Overview:

An error is shown in the CLM Integration tab:  

Unable to continue CLM Content Refresh Process...  A duplicate value was specified for field 'Status_vod__c' in object 'Key_Message_vod__c', duplicate value 'Expired_vod' prior value '' (prior value could have been set to '' with 'fieldsToNull').

Root Cause:

This error is stating a Key Message record is modified in CRM and does not have a status.  

Solution:

Revert the status change to any Key Messages that are missing a status. 

Related Documentation:

N/A