15 days challenge for tester . Couldn't earn my badge I NEED YOUR HELP

Hey guys,

I have finished the 15 days challenge for tester and all things is done and submitted , the number of collections is right and all collections are submitted and passed , So i tried to submit my workspace to earn my badge but unfortunately , i failed and i got this message from them

I have checked the day 6 but everything is well there is nothing wrong and the tests passes , I dont know what is the problem there , So please i need your help guys if there is anyone can help me with this , please reply to me with the solution.

my workspace id : fd19437a-4899-482a-88e3-ac6720945786

Thanks in advance.