i am working on deploying the metadata to another org. but while deploying the page-layouts i am getting following error on Contact object layout :

layouts/Contact-Contact Layout.layout -- Error: duplicate value found: <unknown> duplicates value on record with id: <unknown>

i checked all possible solutions on stackexchange but they all with custom objects and this is standard object. what should i do?

  • Have you looked at known issue success.salesforce.com/issues_view?id=a1p30000000T5hTAAS and tried workaround mentioned there. Sep 2, 2016 at 11:04
  • yes already checked that out but thats also for custom object. and i am getting for standard object. Sep 2, 2016 at 11:06
  • I feel you should not divide this problem into standard or custom objects. As even standard object can have custom fields. Are you sure that you don't have any custom fields/history tracking/lookup filters involved. Have you tried deploying contact layout separately. Sep 2, 2016 at 11:13
  • yes i have custom fields and yes i tried doing it separately also and i disabled the history tracking also. Sep 2, 2016 at 11:18

1 Answer 1


Hey guys this error is gone when i enable the chatter option in my target org. check if chatter option is enable in target org if not enable and then try.. i just enable it for other thing and then at last i tried again deploying layout and it deployed successfully.

  • nice find... ..
    – sf_user
    Sep 2, 2016 at 14:18
  • worked for you too? Sep 2, 2016 at 14:18
  • I didnt try.. but if it resolved for u .. i will keep this in mind if I run into any similar issue in future :)
    – sf_user
    Sep 2, 2016 at 14:19
  • yehh sure... spent almost 6 hours for this... Sep 2, 2016 at 14:20
  • i was resolving my other problem that also i posted here on this link : salesforce.stackexchange.com/questions/139335/… and with one thing i solved my two problems. Sep 2, 2016 at 14:22

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