I was watching a tutorial on how to move objects on mouse movement. https://youtu.be/7OJQ6MbHuvQ
this is the link to that tutorial and below is the error I got while scripting. Please watch the whole tutorial to understand.
This is the signature of the function you're trying to use
Vector3.Project(Vector3 vector, Vector3 onNormal)
you're passing it only 1 parameter. And this is the first problem. The latter is that a
Vector3 does not contain a