Nextcloudcmd.exe network error

Hi there,

I have the following error when i use the nextcloutcmd.exe :
C:\MW\Data\PRF\LAB>“C:\Program Files\Nextcloud\nextcloudcmd.exe” --trust -u USERNAME -p PASSWORD [\desktop-medecin\mw$\Data\LAB\externe\Promed](file:///\desktop-medecin\mw$\Data\LAB\externe\Promed) https://share.promed-lab.ch/nextcloud

10-01 18:04:05:825 [ info nextcloud.sync.accessmanager ]: 2 “” “https://share.promed-lab.ch/nextcloud/ocs/v1.php/cloud/capabilities?format=json” has X-Request-ID “0dc4e5dd-77c0-4b9f-9a50-c2ecf6384f5f”

10-01 18:04:05:889 [ info nextcloud.sync.networkjob ]: OCC::JsonApiJob created for “https://share.promed-lab.ch/nextcloud” + “ocs/v1.php/cloud/capabilities” “”

10-01 18:04:05:966 [ warning nextcloud.sync.networkjob ]: QNetworkReply::UnknownNetworkError “Error communicating with HTTP proxy” QVariant(Invalid)

10-01 18:04:05:974 [ info nextcloud.sync.networkjob.jsonapi ]: JsonApiJob of QUrl(“https://share.promed-lab.ch/nextcloud/ocs/v1.php/cloud/capabilities?format=json”) FINISHED WITH STATUS “UnknownNetworkError Error communicating with HTTP proxy”

10-01 18:04:05:988 [ warning nextcloud.sync.networkjob.jsonapi ]: Network error: “ocs/v1.php/cloud/capabilities” “Error communicating with HTTP proxy” QVariant(Invalid)

10-01 18:04:06:005 [ debug default ] [ main::::operator() ]: Server capabilities QJsonObject()

Error connecting to server

Could it be a proxy or internet connection issue ?
Thanks in advance for any help