if(_set == 0)
{
// test: do we get the current sponsor & apprentice from this packet or no?
if (apprentice != null) apprentice.setSponsor(0);
else // offline
apprenticeMember.initApprenticeAndSponsor(0, 0);
if (sponsor != null) sponsor.setApprentice(0);
else // offline
sponsorMember.initApprenticeAndSponsor(0, 0);