webpack exception

fs.js:143
    throw err;
    ^

Error: EISDIR: illegal operation on a directory, read
    at Object.fs.readSync (fs.js:632:3)
    at tryReadSync (fs.js:472:20)
    at Object.fs.readFileSync (fs.js:513:19)
    at Function.concatenate.sync (C:\OpenServer\domains\crm2.local\node_modules\concatenate\lib\concatenate.js:122:17)
    at FileCollection.merge (C:\OpenServer\domains\crm2.local\node_modules\laravel-mix\src\FileCollection.js:29:36)
    at ConcatenateFilesTask.merge (C:\OpenServer\domains\crm2.local\node_modules\laravel-mix\src\tasks\ConcatenateFilesTask.js:18:37)
    at ConcatenateFilesTask.run (C:\OpenServer\domains\crm2.local\node_modules\laravel-mix\src\tasks\ConcatenateFilesTask.js:11:14)
    at CustomTasksPlugin.runTask (C:\OpenServer\domains\crm2.local\node_modules\laravel-mix\src\webpackPlugins\CustomTasksPlugin.js:33:14)
    at Mix.tasks.forEach.task (C:\OpenServer\domains\crm2.local\node_modules\laravel-mix\src\webpackPlugins\CustomTasksPlugin.js:9:44)
    at Array.forEach (<anonymous>)
    at Compiler.compiler.plugin.stats (C:\OpenServer\domains\crm2.local\node_modules\laravel-mix\src\webpackPlugins\CustomTasksPlugin.js:9:23)
    at Compiler.applyPlugins (C:\OpenServer\domains\crm2.local\node_modules\tapable\lib\Tapable.js:61:14)
    at emitRecords.err (C:\OpenServer\domains\crm2.local\node_modules\webpack\lib\Compiler.js:264:11)
    at Compiler.emitRecords (C:\OpenServer\domains\crm2.local\node_modules\webpack\lib\Compiler.js:371:38)
    at emitAssets.err (C:\OpenServer\domains\crm2.local\node_modules\webpack\lib\Compiler.js:258:10)
    at applyPluginsAsyncSeries1.err (C:\OpenServer\domains\crm2.local\node_modules\webpack\lib\Compiler.js:364:12)
    at next (C:\OpenServer\domains\crm2.local\node_modules\tapable\lib\Tapable.js:218:11)
    at Compiler.compiler.plugin (C:\OpenServer\domains\crm2.local\node_modules\webpack\lib\performance\SizeLimitsPlugin.js:99:4)
    at Compiler.applyPluginsAsyncSeries1 (C:\OpenServer\domains\crm2.local\node_modules\tapable\lib\Tapable.js:222:13)
    at Compiler.afterEmit (C:\OpenServer\domains\crm2.local\node_modules\webpack\lib\Compiler.js:361:9)
    at require.forEach.err (C:\OpenServer\domains\crm2.local\node_modules\webpack\lib\Compiler.js:350:15)
    at C:\OpenServer\domains\crm2.local\node_modules\async\dist\async.js:473:16
    at iteratorCallback (C:\OpenServer\domains\crm2.local\node_modules\async\dist\async.js:1064:13)
    at C:\OpenServer\domains\crm2.local\node_modules\async\dist\async.js:969:16
    at C:\OpenServer\domains\crm2.local\node_modules\graceful-fs\graceful-fs.js:43:10
    at FSReqWrap.oncomplete (fs.js:169:20)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @ development: `cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @ development 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!     C:\Users\CSokna\AppData\Roaming\npm-cache\_logs\2018-06-22T11_56_20_253Z-debug.log