Spot Coordinates on a Point

Can anyone offer me a little help? I am trying what I thought would be a relatively easy task of getting dynamo to place a spot coordination annotation at the intersections of a grid.

I have used custom nodes from Clockwork and Bimorph, namely Element.Location+, spotcoordinate.bypoint (Clockwork) and curve.intersectall (BimorphNodes) and have got as far as below;

It seems to be finding the intersection points fine (by way of testing I can insert a family element to these points just fine) but it seems to be failing with the spotcoordinate.bypoint node which is just throwing Nulls out at me.

Any Ideas?

I would upload the dyn file but as I am new it wont let me