Wireless connection not getting established

Hi,I am noob in node red,I have made all the connections but ncd wireless gateway showing "connecting"....but data is not showing in the dashboard.

Error in the command prompt:
12 Jun 15:45:11 - [info] Stopping flows
12 Jun 15:45:11 - [info] Stopped flows
12 Jun 15:45:11 - [info] Starting flows
12 Jun 15:45:11 - [info] Started flows
{ 'Unhandled Rejection at':
Promise {
{ error: 'Request timed out without response',
original: [Array] } },
reason:
{ error: 'Request timed out without response',
original: [ 8, 11, 73, 68, 0, 0 ] } }
{ 'Unhandled Rejection at':
Promise {
{ error: 'Request timed out without response',
original: [Array] } },
reason:
{ error: 'Request timed out without response',
original: [ 8, 12, 73, 68, 0, 0 ] } }
{ 'Unhandled Rejection at':
Promise {