Small problem - wasn't able to get online for a few days to renew a contract and now I can't buy my driver because I'm level 25 but I'd trained my driver to level 26.
At first thoughts, it seems as though you will have to wait until you level up, and then re-buy the driver (assuming it doesn't go to auction and get bought by another manager).
The support team usually only intervene in cases like this when it is caused by a bug/technical issue rather than manager error/inactivity.