How the heck do you remove this module?

[dachshund-digital]

npm remove node-red-contrib-splitter

npm WARN saveError ENOENT: no such file or directory, open '/root/package.json'
npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN enoent ENOENT: no such file or directory, open '/root/package.json'
npm WARN root No description
npm WARN root No repository field.
npm WARN root No README data
npm WARN root No license field.

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Remove fails via UI or command line.