Care to elaborate? You have a funny way of asking for help.
If you mean the free Max balls when buying 2,000 credits, when did you do it, was it within the time frame the deal was for??
Just buy 2,000 or more WGT credits 9/26/19-9/27/19, and get 3 free MAX Slow Meter balls (Hack+).
Take your inquiry directly to WGT, http://www.wgt.com/contact.aspx