CubeXPLOR Error!

CubeXPLOR: Cannot determine the capabilities of the Web Map Server (WMS) at
           "https://ca.nfis.org/cubewerx/cubeserv", raised in
           Wms_GetCapabilities() in file "client.c" line 137 (process 18094)
CubeXPLOR: The following error has been cached, raised in
           Cache_OpenFileForReading() in file "cw_cache.c" line 317 (process
           18094)
CubeSERV: Error handling response of HTTP GET request to
          "https://ca.nfis.org/cubewerx/cubeserv?SERVICE=WMS&ACCEPTVERSIONS=1.3.2,1.3.1,1.3.0,1.1.1,1.1.0,1.0.0&LANGUAGE=en&REQUEST=GetCapabilities&ACCEPTFORMATS=application%2Fx-bxml,application%2Fxml,text%2Fxml&CLIENT=CubeXPLOR%2F7.10.21",
          raised in CwHttpRequest_Finish() in file "cw_http.c" line 1141
          (process 10373)
CubeSERV: Remote host did not respond within required time period (socket
          timeout after 240 seconds), raised in CwSocket_Wait() in file
          "cw_socket.c" line 860 (process 10373)

Zoiks!