Device offline error while doing any operation in genieacs server

Hi,
Getting Device offline error while doing any operation.
But the Device shows online in GUI and Its says Pinging to that IP.

Pinging 172.16.7.21: 0 ms
Last inform 11/28/2020, 1:16:09 AM
Online now
Serial number 000000
Product class BM632w
OUI 202BC1
Manufacturer Huawei Technologies Co., Ltd.
Hardware version 00040501
Software version V100R001IRQC56B017

InternetGatewayDevice.ManagementServer.ConnectionRequestPassword 69t0mkjya1
InternetGatewayDevice.ManagementServer.ConnectionRequestURL http://172.16.7.21:7547
InternetGatewayDevice.ManagementServer.ConnectionRequestUsername 202BC1-BM632w-000000
InternetGatewayDevice.ManagementServer.ParameterKey
InternetGatewayDevice.ManagementServer.PeriodicInformEnable true
InternetGatewayDevice.ManagementServer.PeriodicInformInterval 300
InternetGatewayDevice.ManagementServer.URL

This is the cpe.debug file output

==================================
event: outgoing HTTP response
timestamp: 2020-11-27T19:46:10.794Z
remoteAddress: 172.16.7.21
deviceId: 202BC1-BM632w-000000
connection: 2020-11-27T19:46:10.784Z
statusCode: 204
headers:
content-length: 0
server: GenieACS/1.2.2+20201102115457
soapserver: GenieACS/1.2.2+20201102115457
connection: close
body: “”

event: outgoing HTTP request

timestamp: 2020-11-27T19:47:38.093Z
remoteAddress: 172.16.7.21
deviceId: 202BC1-BM632w-000000
connection: null
remotePort: “7547”
method: null
url: /
headers:
host: 172.16.7.21:7547
error: socket hang up

event: outgoing HTTP request
timestamp: 2020-11-27T19:47:50.467Z
remoteAddress: 172.16.7.21
deviceId: 202BC1-BM632w-000000
connection: null
remotePort: “7547”
method: null
url: /
headers:
host: 172.16.7.21:7547
error: socket hang up

while pushing file…

Please help me in resolving this issue.

Thanks,
Ramya