Nodered Losing nodes on rpi

Question

After installing nodes (eg npm install --unsafe-perm node-red-contrib-i2c) and restarting node-red i find them in the pallet.

after reboot (nodered start on boot) i no longer find then in the pallet tought they still appear in the fodler

where did i miss somthing?

Edit: used os is raspbian Npm is node package manager and comes with nodered

Answer 1

try to install it from the nodered palette manager. I've always done it this way and never had such problems.