I need help in fixing my cook errors, this is my first project ever in unreal (HELP)

I need help resolving these errors, Im a newbie in unreal and am trying to package my third person game asap but keep getting hit in the face with errors.

I suggest you try to package one of the template projects that the Unreal Engine team has created. If you succeeds doing so, its likely a file in your current project that makes your build fail. More specifically it seems like due to the fact that a certain “LUTIndex” value is not a valid index, it fails.

The specific line of code that triggered the error is shown as line 61 of the AnimNode_PoseDriver.cpp file.

Hello:
I see a lot of people trying to fix “Cooking Errors” but not giving the answers…
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Is this something that people are preventing from sharing

Is it “Exclusive” just for a few fortunate ones?

I am getting to a point of “Giving Up”

Is there someone out there that can help?

Can I hire someone that knows to actually help me?

How much would it cost me to be able to package my game so I can play it on IPhone?

Please…