CPU not compatible with motherboard?

Solution
No way to make them compatible. Return the Z170 motherboard and get an X99 motherboard, or return the i7 6800k and get an i7 6700k instead if you don't need the 2 additional cores the 6800k provides along with the extra connectivity that X99 provides.
No way to make them compatible. Return the Z170 motherboard and get an X99 motherboard, or return the i7 6800k and get an i7 6700k instead if you don't need the 2 additional cores the 6800k provides along with the extra connectivity that X99 provides.
 
Solution