When I try to change the owner for cantact in lightning exp from detail page and if I give same user, it will throw an error saying 'User Already owns the record'. But if I try the same from the list view of contact, error is not thrown.
Please mark it as best answer if the information is informative.so that question is removed from an unanswered question and appear as a proper solution.
May I suggest you please refer the below link to reference.
- https://success.salesforce.com/answers?id=90630000000gkL6AAI
hope it helps.Please mark it as best answer if the information is informative.so that question is removed from an unanswered question and appear as a proper solution.
Thanks
Rahul Kumar