Dir Sync Write workflow not functioning: "No available DC's for Domain cannot process LDAP request" (4325077)

Sync Is not functioning from Source to target we are getting the below error. No available DC's for Domain cannot process LDAP request for Object. We get this on the write job.

Error from Staging

Warn   Unable to apply multi-reference mapping for unauthOrig to CN=<Value>,OU=<Value>,OU=<Value>,DC=<Value>,DC=<Value>   "CDS.Model.AttributeNotFoundException: Expression must be a valid attribute.
  at CDS.Model.SyncObjectJob.ApplyReferenceMappings(IWebServiceFactory webServiceFactory, SyncObjectContext context)"  

Unable to apply multi-reference mapping for unauthOrig to<Value>
Unable to apply multi-reference mapping for dLMemSubmitPerms to <Value>
Unable to apply multi-reference mapping for dLMemRejectPerms to <Value>
Unable to apply multi-reference mapping for authOrig to <Value>
Unable to apply multi-reference mapping for altRecipient to <Value>