Welcome to the forum @sahib
Open a command window, go to your .node-red folder (that is important) and run
npm install node-red-contrib-whatsapp-link
Then copy/paste the output here (not screenshot please).
Welcome to the forum @sahib
Open a command window, go to your .node-red folder (that is important) and run
npm install node-red-contrib-whatsapp-link
Then copy/paste the output here (not screenshot please).