Why some of my users look like this I mean the only think you can see is the username and activity no other info is available is it a bug or something?
This is how my users show! Could it be that the person connected with facebook and not filled up the required profile questions like in my case date of birth and location?
Please check some of your users does not have filled out birthday field, which is why they don't have it shown on the user listing. Are you 100% sure you did not have it required before?