[Mark Sir Link]

what are the column constraints for each field? There have been issues on UN where null community names have had issues so you might be better off evaluating
if(temp.pl.communityname.length() > 0)
instead.

You say you have a log what entries are failing so can you post an example of that

EDIT:

posting your function for Player.getSubcription() and Player.getLoginTime() may help as well, if these are in a class than perhaps this is executing before the player joins the class? Or there is an issue with them joining it at all?