According to communication from Kenya Rugby Union, Owila who was set to make his debut in the shorter version of the game was unable to get his United Kingdom visa processed in time.
This forced the technical bench call-up Adema who left Nairobi Wednesday to link up with the rest of squad in Scotland after Treu omitted him in his initial squad.
Owila was part of the national 15s squad that failed to qualify for next year’s Rugby World Cup after falling at the final hurdle 10-28 to Zimbabwe in their last match of the Confederation of African Rugby Division 1A championship in Madagascar.
Kenya who will be using the Club Games as part of preparation for 2014-15 HSBC Sevens World Series that will see the top four qualify directly to the 2016 Olympics Games in Rio de Janeiro, will be looking to improve their 2010 performance where they were eliminated by Australia in the Main Cup quarter-finals.
Shujaa who are drawn in Pool B will open their campaign against Cooks Ireland next Saturday before taking on Trinidad and Tobago then wrap up with a tricky South Africa in their final preliminary round match.
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