wrong license key

my unity id is "shoaibsarwar" i am trying to use Ray free version on my website Pakeducationsite.com i have generated free license keys but when i use the key in Ray admin it always says "wrong license key" can u please advise me what wrong i am doing what should i do to fix this. Regards Abdul Rauf
Quote · 25 Aug 2008
 
 
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