The FBC reports that Niko's inclusion means he'll miss out on the World Cup 7s in Moscow.
* Update 21/05/2013
Nikola Matawalu will join the Fiji sevens rugby training squad after the Classic All Blacks match on June 12 in Suva.
Niko was named in the 30-member World Cup Sevens squad but are also in the Flying Fijians team for the Pacific Nations Cup and the Classic All Blacks match.
Fiji Rugby Union General Manager High Performance Mike Ryan confirms Niko will involved in the two codes.
He adds Niko will also be involved in the sevens camp when he is not occupied with the Flying Fijians in the next few weeks.