Failed to create feature class. Must be the owner to perform this operation.
Can you please give more details to what is happening? What software are you using? What steps did you take? Can you post a screen shot?
It may also help to place this thread in a more appropriate 'place' since "Community Help" is mainly for the GeoNet. This link shows where you might find a better 'place' to move your thread to:
GeoNet Community Structure
Retrieving data ...