Device Queued but not send

1

Hi im trying to use downlink for a Class A device. The uplink is working great, however I having some problems with downlink. I have already tried the downlink with other NS and it’s working. When I use loraserver, the downlink gets queued, however is never sent to the device

{
“deviceQueueItems”: [
{
“devEUI”: “9aa01a299411a17f”,
“confirmed”: true,
“fCnt”: 0,
“fPort”: 10,
“data”: “aG9sYQ==”,
“jsonObject”: “”
},
{
“devEUI”: “9aa01a299411a17f”,
“confirmed”: true,
“fCnt”: 1,
“fPort”: 10,
“data”: “aG9sYQ==”,
“jsonObject”: “”
}
]
}