I installed grafana 11.04 application in windows server, but i cant able to find the qrdar plugin from the data sources or from the connection tab

Grafana Installation
1

When i inspect the page network connection i found below errors,
api/gnet/plugins?inc…deDeprecated=true:1

Failed to load resource: the server responded with a status of 502 (Bad Gateway)
api.ts:56
Failed to fetch plugins from catalog (default https://grafana.com/api/plugins)
api/gnet/plugins?inc…deDeprecated=true:1

Failed to load resource: the server responded with a status of 502 (Bad Gateway)
api.ts:56
Failed to fetch plugins from catalog (default https://grafana.com/api/plugins)
i @ api.ts:56

2

Please help me to resolve this plugins issue