Invalid Trade????

[pr3v3d3nc3]

Hi Robby ... why i cant trade?? it always says ''invalid trade'' why? or because my pavault is ''negative 42''?... dont judge me im not cheater or what... i explain.. I have 131 tickets and i buy ''Orb Specialization'' and i buy it, then i-click it, then i close the pavault, then i-click again the Orb Specialization, then i see my tickets its -49, then jerilyn26 said... that because of lagger, then i buy 7 tickets, then i see my tickets its -42..

Please robby Help me ...