I am also getting the same issue, with versions
KAPSEL : 3.9.7
Cordova : 5.1.1
I am using SMP SP9.1
Here is the response
10:35:40 AM (hybrid-toolkit) > Adding SAP Kapsel plugins...
10:35:42 AM (hybrid-toolkit) Fetching plugin "kapsel-plugin-logon" via npm
10:35:42 AM (hybrid-toolkit) npm http GET https://registry.npmjs.org/kapsel-plugin-logon
10:35:54 AM (hybrid-toolkit) npm http GET https://registry.npmjs.org/kapsel-plugin-logon
10:36:54 AM (hybrid-toolkit) npm http GET https://registry.npmjs.org/kapsel-plugin-logon
10:36:54 AM (hybrid-toolkit) Fetching from npm failed: failed to fetch from registry: kapsel-plugin-logon
10:36:54 AM (hybrid-toolkit) Error: failed to fetch from registry: kapsel-plugin-logon
10:36:54 AM (hybrid-toolkit) at RegClient.<anonymous> (C:\Users\C5161808\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\node_modules\npm\node_modules\npm-registry-client\lib\get.js:134:18)
10:36:54 AM (hybrid-toolkit) at cb (C:\Users\C5161808\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\node_modules\npm\node_modules\npm-registry-client\lib\request.js:27:9)
10:36:54 AM (hybrid-toolkit) at RegClient.<anonymous> (C:\Users\C5161808\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\node_modules\npm\node_modules\npm-registry-client\lib\request.js:148:10)
10:36:54 AM (hybrid-toolkit) at cb (C:\Users\C5161808\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\node_modules\npm\node_modules\npm-registry-client\lib\request.js:158:9)
10:36:54 AM (hybrid-toolkit) at RegClient.<anonymous> (C:\Users\C5161808\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\node_modules\npm\node_modules\npm-registry-client\lib\request.js:223:20)
10:36:54 AM (hybrid-toolkit) at self.callback (C:\Users\C5161808\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\node_modules\npm\node_modules\request\index.js:148:22)
10:36:54 AM (hybrid-toolkit) at Request.emit (events.js:117:20)
10:36:54 AM (hybrid-toolkit) at ClientRequest.self.clientErrorHandler (C:\Users\C5161808\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\node_modules\npm\node_modules\request\index.js:257:10)
10:36:54 AM (hybrid-toolkit) at ClientRequest.emit (events.js:95:17)
10:36:54 AM (hybrid-toolkit) at ClientRequest.onError (C:\Users\C5161808\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\node_modules\npm\node_modules\request\node_modules\tunnel-agent\index.js:161:21)
10:36:54 AM (hybrid-toolkit) The node process of the "generate" script exited with code 1.
Any suggesstion?