Something wrong with tnn-handler-asia-se

LoRaWAN gateway build with Draguino LoRa GPS HAT-JP connected on Raspberry Pi and data transfer via The Things Network, but if the handler is set to tnn-handler-asia-se, the phenomenon that traffic is not transferred to the device was occured the beginning of this month.
If the handler is set to tnn-handler-us-west, it will work correctly in the same environment.
Is this something wrong with tnn-handler-asia-se ?

Are the single channel packet forwarder (you can not build a LoRaWAN compatible gateway with the Lora GPS hat [that is why it is called Lora not LoRaWAN]] and the application setup in to use the same region? So all Asia-se?

Oh, sorry. I used the terminology incorrectly. I build an application that uses LoRaWAN (The Thingth Network). And for some reason it has stopped working from the beginning of this month. I’ve been running without any problems for months.
And we used asia-se for both Gateway and Handler.
And why it doesn’t work, so if you try us-west, it works without any problems, so why? I wondered.