If you have duplicate member accounts (e.g., the same member has submitted content through Instagram and direct uploads), you can merge them into one.
The content from both members will be moved to the merged member
To merge two members,
Navigate to the Members page
Select one of the members
In the top right corner, click More
Click Merge with...
Click Select a member
Select the other member you wish to merge
Click Next step
Select the information you want to use for the merged member
Click Merge