Diagnosis
You're probably using too much cleaning solution. The SpinWave applies solution and scrubs, but it's not a high-volume rinse mop, so excess soap just gets smeared around.
How to Fix It
Dial back the amount of solution. 1) Use the Bissell formula specifically for SpinWave—it's designed not to leave residue. 2) Follow the dilution instructions on the bottle exactly. Don't eyeball it. 3) Don't overuse the spray trigger. A couple of sprays per section is plenty; let the scrubbing pads do the work.
If That Didn't Work
Your scrubbing pads might be oversaturated or dirty. Swap to a fresh, clean pad and see if the problem persists.
Heads Up
On sealed hard floors, the best practice is to do a final pass with just a water-dampened pad or a dry microfiber mop to pick up any leftover solution.