Build error: can't resolve '../contracts/bin/exchange.js'

[s-tikhomirov]

Following the build instrutions, after npm run build:

ERROR in ./app/exchange.js
Module not found: Error: Can't resolve '../contracts/bin/exchange.js' in '/home/sergei/Documents/code/kyce/app'
 @ ./app/exchange.js 17:24-63
 @ ./app/vm.js
 @ ./app/index.js
 @ multi babel-polyfill ./app/index.js

ERROR in ./app/contract.js
Module not found: Error: Can't resolve '../contracts/bin/dbgtoken.js' in '/home/sergei/Documents/code/kyce/app'
 @ ./app/contract.js 17:24-63
 @ ./app/vm.js
 @ ./app/index.js
 @ multi babel-polyfill ./app/index.js
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! [email protected] build: `webpack --progress --colors`
npm ERR! Exit status 2
npm ERR! 
npm ERR! Failed at the [email protected] build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/sergei/.npm/_logs/2018-03-08T14_24_13_782Z-debug.log

[s-tikhomirov]

The line in question (17:24-63) is:

        const acc = "0x1d07e9216cdb5ef32d713aa1f12d1fb64a347c3f"

Another default accounts generated?