A 67-year-old patient complains of being unable to use complete removable laminar dentures for the upper and lower jaw. The dentures were made 2 months ago. Objectively, the patient presents with smoothed-out nasolabial folds and mental crease, teeth chattering can be heard during a conversation test, there is no gap between the teeth in the state of physiological rest. At what stage of denture-making did a mistake occur?