Rasterlink composites - tiles not available?

[Zendavor Signs]

We have a large graphic we are trying to print in Rasterlink with our UCJV300. With a single image (no layers), tiling is available, but not when we "composite" a couple of layers.
Is is just not possible to tile a composite image?

 

[Notarealsignguy]

This won't be very helpful but I find it easier to tile in the design than in RL. Could you try putting everything on a single layer before exporting or have I missed the issue?

 

[Zendavor Signs]

We are doing a color-white-color print. White layer is printed at 20%. I think we have to use the composite function to do that.
Yes, we can tile in the design software, but then we have to manually apply the steps to each individual tile.