installation bumper R-DESIGN problem with parking sensors

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I thought that changing the parameter 305. PARKING SENSOR GENERATION (gen 5/gen 6) could help solve my problem. I know that the Volvo XC90 had two “generations” of parking sensors 2015-2019 and 2020-2024. Accordingly, I thought that before 2019 there was gen 5, and after – gen 6. I expected that I would have a gen 5 setting, and by changing the setting to gen 6, I would solve my problem. But when I opened the orbit, I saw that in parameter 305 I have gen 6. Accordingly, I cannot increase the generation of parking sensors. Maybe someone can tell me where to look for a solution to this problem?