How do I add this button into my forum:

Whatever keyword i search for on my NodeBB forum i get thing for a result even thou there are plenty topics with that keyword. am I missing something?

Hello, recently the server where nodebb is installed is giving bad gateway error very often i have to restart Nodebb forum two to three times a day to make it work again. what could be the problem?

and just this morning same thing happened but i couldnt restart is i am getting this error.

1/6 00:52 [1489] - error: Error: ENOENT, rename '/var/www/nodebb/forums/node_modules/nodebb-plugin-emoji-one/public/static/.images/svg'
Error: ENOENT, rename '/var/www/nodebb/forums/node_modules/nodebb-plugin-emoji-one/public/static/.images/svg'