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.