Sensors are not connected to the gateway

I set up an intelligent Lora system including the following equipment
Gateway kerlink ifemtocell
Sensors for Sensoneo waste management
Spot parking sensors
Vizio-Green irrigation sensor

The system was launched on the TTN platform, but unfortunately, the waste management and irrigation sensors did not reset , and I could not connect them to my gateway. Where can the problem be?
Thank you very much for your help

Please post TTN related questions at

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I could not create a topic at this address

Then still this is not the place to ask TTN related questions :wink: