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S140 return 0x11 error code when nRF52840 discover service

Hi,

I'm using the bluetooth 5.0 and base on the mutilink_center example to add a peripheral and a center. Because I want the center to connect two type device. It could scan and advertise, but when the center use sd_ble_gattc_primary_services_discover to discover service, it returns 0x11 error and then reset. I have debug it and found that the connection handle is 0x01, not 0x00, and the service UUID is what I want and correct.

Could you give me some advice? Thanks.