Problems with creating object in C#

im trying to creat an object in c#, i have done exactly like the video on youtube told me to, but i keep geting the message that i must have a "nullable" value, can somone explain why do i need that and how do i do it
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DirtyJ442d ago
If you're planning on building a constructor and including those values, then that warning should resolve itself afterwards
DM
darth monkey442d ago
ty