i get this error after running program.js an the button doesnt add to the todolist

[Osezno]

events.js:141
throw er; // Unhandled 'error' event
^

Error: Cannot find module '/home/jose/reactdos/isomorphic/solution/app.js' from '/home/jose/reactdos'
at /home/jose/reactdos/node_modules/browserify/node_modules/resolve/lib/async.js:55:21
at load (/home/jose/reactdos/node_modules/browserify/node_modules/resolve/lib/async.js:69:43)
at onex (/home/jose/reactdos/node_modules/browserify/node_modules/resolve/lib/async.js:92:31)
at /home/jose/reactdos/node_modules/browserify/node_modules/resolve/lib/async.js:22:47
at FSReqWrap.oncomplete (fs.js:82:15)

[lolptdr]

Need more detail.

1. Which lesson is this referring to?
2. Can you post the app.js, index.jsx, program.js, etc. files?