approved sp and got visa stap on the passport last october 4 and all my dependent got apptoved too,we booked last 17 Dec. and went to airport but they not allow me as SP the main applicant but they ask me your 3 dependent can travel, since we are family we decided to not go, we try to talk and asked them why they only answered us your visa is inactive need to call on embassy, we back home, try to seek and find wwhat happened, i accidentally i opened my GCkey and i found out that my counterfoil is invalid documents, i try to figure it out who has same issue as mine but most of them are madical but for me everything is new just took last Aug. 3021 and it take one year validity, any ssme issue facing same as mine please need your help.