I do not understand this.

So a "pole" is a vertices that has 5 or more edges coming from it. Poles are very common and in many cases, necessary in 3D. If you are referring to the rules for the hobbies challenge, you will have to reduce the amount of edges that connect to a single vertices down to a maximum of 5 edges.

post a preview displaying the problem area please

I see now they are trying to tell me how to check for them, but it did not find any tris or ngons as I suspected.

The error is not with the amount of edges that are used to create a polygon such as a tri/ quad/ ngon. The error is the amount of edges that connect to a single vertices. Ive attached an image that shows the middle vert in the cylinder is selected through Polygon Selection Constraint because is has more than 5 edges connected to it (20 in this case). The verts on the outside edge of the cylinder are NOT selected through Polygon Selection Constraint because they only have 4 edges connected to the vert. If you use the same setting I have in Polygon Selection Constraint, you will be able to see the problem CGTrader have told you you need to address.

https://gyazo (DOT) com/c07bdc07542ddb1997ba4e296f095e62

BTW, I wanted to do a golf ball, but under these requirements it is impossible.