Cannot find module 'stamp-utils'

[pahund]

When I try to do an “npm run build”, I get this error message:

Error: Cannot find module 'stamp-utils' from '/Users/pahund/git/bdc/node_modules/react-stamp/lib/utils'
    at /Users/pahund/git/bdc/node_modules/resolve/lib/async.js:46:17
    at process (/Users/pahund/git/bdc/node_modules/resolve/lib/async.js:173:43)
    at ondir (/Users/pahund/git/bdc/node_modules/resolve/lib/async.js:188:17)
    at load (/Users/pahund/git/bdc/node_modules/resolve/lib/async.js:69:43)
    at onex (/Users/pahund/git/bdc/node_modules/resolve/lib/async.js:92:31)
    at /Users/pahund/git/bdc/node_modules/resolve/lib/async.js:22:47
    at FSReqWrap.oncomplete (fs.js:82:15)