Cannot install new nodes in node-red on RPI

I am new to HA an try to add nodes to node-red addon.
But i cannot install any additional node, all i get ist the following logfile:

s6-rc: info: service s6rc-oneshot-runner: starting
s6-rc: info: service s6rc-oneshot-runner successfully started
s6-rc: info: service base-addon-banner: starting
-----------------------------------------------------------
 Add-on: Node-RED
 Flow-based programming for the Internet of Things
-----------------------------------------------------------
 Add-on version: 14.1.5
 You are running the latest version of this add-on.
 System: Home Assistant OS 10.1  (aarch64 / raspberrypi4-64)
 Home Assistant Core: 2023.4.6
 Home Assistant Supervisor: 2023.04.1
-----------------------------------------------------------
 Please, share the above information when looking for help
 or support in, e.g., GitHub, forums or the Discord chat.
-----------------------------------------------------------
s6-rc: info: service base-addon-banner successfully started
s6-rc: info: service fix-attrs: starting
s6-rc: info: service base-addon-log-level: starting
s6-rc: info: service fix-attrs successfully started
s6-rc: info: service base-addon-log-level successfully started
s6-rc: info: service legacy-cont-init: starting
s6-rc: info: service legacy-cont-init successfully started
s6-rc: info: service init-nginx: starting
s6-rc: info: service init-customizations: starting
s6-rc: info: service init-customizations successfully started
s6-rc: info: service init-nodered: starting
s6-rc: info: service init-nginx successfully started
up to date, audited 58 packages in 1s
found 0 vulnerabilities
s6-rc: info: service init-nodered successfully started
s6-rc: info: service nodered: starting
s6-rc: info: service nodered successfully started
s6-rc: info: service nginx: starting
s6-rc: info: service nginx successfully started
s6-rc: info: service legacy-services: starting
s6-rc: info: service legacy-services successfully started
[19:12:49] INFO: Starting Node-RED...
> start
> node $NODE_OPTIONS node_modules/node-red/red.js --settings /etc/node-red/config.js
28 Apr 19:12:53 - [info] 
Welcome to Node-RED
===================
28 Apr 19:12:53 - [info] Node-RED version: v3.0.2
28 Apr 19:12:53 - [info] Node.js  version: v18.14.2
28 Apr 19:12:53 - [info] Linux 6.1.21-v8 arm64 LE
28 Apr 19:12:55 - [info] Loading palette nodes
28 Apr 19:12:57 - [info] Dashboard version 3.4.0 started at /endpoint/ui
28 Apr 19:13:01 - [info] Settings file  : /etc/node-red/config.js
28 Apr 19:13:01 - [info] Context store  : 'default' [module=memory]
28 Apr 19:13:01 - [info] User directory : /config/node-red/
28 Apr 19:13:01 - [warn] Projects disabled : editorTheme.projects.enabled=false
28 Apr 19:13:01 - [info] Flows file     : /config/node-red/flows.json
28 Apr 19:13:01 - [info] Server now running at http://127.0.0.1:46836/
[19:13:01] INFO: Starting NGinx...
28 Apr 19:13:01 - [info] Starting flows
28 Apr 19:13:01 - [info] Started flows
28 Apr 19:13:01 - [info] [mqtt-broker:d5cd8c12ea48e00c] Connected to broker: mqtt://homeassistant:1883
28 Apr 19:13:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'
28 Apr 19:13:06 - [info] [server:Home Assistant] Connecting to http://supervisor/core
28 Apr 19:13:06 - [info] [server:Home Assistant] Connected to http://supervisor/core
28 Apr 19:15:35 - [info] Installing module: node-red-contrib-tasmota, version: 0.9.12
28 Apr 19:18:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'
28 Apr 19:23:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'
28 Apr 19:23:17 - [warn] Installation of module node-red-contrib-tasmota failed:
28 Apr 19:23:17 - [warn] ------------------------------------------
28 Apr 19:23:17 - [warn] npm WARN config production Use `--omit=dev` instead.
npm ERR! code ETIMEDOUT
npm ERR! syscall connect
npm ERR! errno ETIMEDOUT
npm ERR! network request to https://registry.npmjs.org/node-red-contrib-tasmota failed, reason: connect ETIMEDOUT 2606:4700::6810:1423:443
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network 
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly.  See: 'npm help config'
npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2023-04-28T17_15_36_894Z-debug-0.log
28 Apr 19:23:17 - [warn] ------------------------------------------
Error: Install failed
    at /opt/node_modules/@node-red/registry/lib/installer.js:285:25
    at processTicksAndRejections (node:internal/process/task_queues:95:5)
28 Apr 19:23:17 - [error] Error: Install failed
28 Apr 19:28:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'
28 Apr 19:31:56 - [info] Installing module: node-red-contrib-fritz, version: 1.4.5
28 Apr 19:33:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'
28 Apr 19:38:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'
28 Apr 19:43:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'
28 Apr 19:48:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'
28 Apr 19:53:01 - [error] [file in:Csv knownhosts] Error: ENOENT: no such file or directory, open 'the path and file name of the csv knownhosts'

There is a hint to look into /root/.npm/…, but i am not able to connect to my RPI with putty. Is there any easy to follow tutorial to manage the remote access?
Regards Christoph