While trying to bulk create a group I get a "A constraint violation occurred."

While trying to bulk create a group I get a "A constraint violation occurred."

The .csv file contains:
 
name,samAccountName,description,groupType,member,info,managedby
PRINTERA,PRINTERA,WIN 7 Printer Group,-2147483644,"CN=user1,OU=People,OU=site1,OU=bigsite,DC=mydc,DC=sample.com",Printer Group,"CN=user1,OU=People,OU=site1,OU=bigsite,DC=mydc,DC=sample.com"
 
When I do the import it fails with
Error In Creating Group,A constraint violation occurred. - Error Code : 8007202f
 
Any ideas. More of theinternet sources just list it as an exchange or permission error. My account is admin level and can manually create groups and users.
 
Thanks! 

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