UR44 - No more hardware sounds after Mac OS Sequoia update

Hello everyone! I read that Cubase Pro 13 and all my hardware, especially my UR44, was now compatible with Mac OS Sequoia, so I updated my iMac Pro. Everything works fine except that I no longer have any hardware sound! Let me explain. All the sounds coming from my iMac work (so the internal sounds of my iMac, the VSTi sounds, etc…) but the sounds coming from my external expander (Ketron SD1000) no longer work. I did all the updates indicated, but I no longer have any sound! My expander receives MIDI messages well, I see it on the dedicated LED, but no MIDI sound comes out of my UR44. I didn’t change anything in the wiring, I checked the volume buttons, but no sound! My SD1000 expander works very well, I used it again just before doing the updates.

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