At least it's very likely a glitch, In Konquest mode, find Movado in the Orderrealm walking around the temple where you come out of the portal from. Well He sent me on a mission and I completed it, and when I went back to him he said something about appreciated the help and not to mention seeing him to anyone, and paid me 500 saphire coins. No big deal right? Well I clicked on him again and got the same message and another 500 coins! So I did it again and again and again, you get the point. Well it never failed and I got 500 saphire coins everytime. I even left the realm and went to another one and came back and the same thing happend. See if it works for you!