npm start failed

[d-bo]

Hello !
Something happened after holidays with the dependency set up pipe)
Can not start it with npm start

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules/chokidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules/browser-sync/node_modules/chokidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
npm WARN sass-loader@6.0.1 requires a peer of webpack@^2.0.0 but none was installed.

[xeoncross]

Same problem. I've tried to update and install dozens of packages but I just can't ever seem to get all the dependancies working well enough to run this.

 history                                           4.5.1  →          4.7.2 
 material-ui                                      0.17.0  →         0.19.0 
 react                                            15.4.2  →         15.6.1 
 react-dom                                        15.4.2  →         15.6.1 
 react-router                                      3.0.2  →          4.2.0 
 recharts                                         0.20.8  →  1.0.0-alpha.4 
 autoprefixer                                      6.7.3  →          7.1.2 
 babel-cli                                        6.23.0  →         6.26.0 
 babel-core                                       6.23.1  →         6.26.0 
 babel-loader                                      6.3.2  →          7.1.2 
 babel-plugin-transform-react-remove-prop-types    0.3.2  →          0.4.8 
 babel-preset-es2015                              6.22.0  →         6.24.1 
 babel-preset-react                               6.23.0  →         6.24.1 
 babel-preset-stage-1                             6.22.0  →         6.24.1 
 babel-register                                   6.23.0  →         6.26.0 
 browser-sync                                     2.18.8  →        2.18.13 
 chai                                              3.5.0  →          4.1.1 
 chalk                                             1.1.3  →          2.1.0 
 coveralls                                       2.11.16  →         2.13.1 
 cross-env                                         3.1.4  →          5.0.5 
 css-loader                                       0.26.1  →         0.28.5 
 enzyme                                            2.7.1  →          2.9.1 
 eslint                                           3.15.0  →          4.5.0 
 eslint-plugin-import                              2.2.0  →          2.7.0 
 eslint-plugin-jsx-a11y                            4.0.0  →          6.0.2 
 eslint-plugin-react                              6.10.0  →          7.3.0 
 eslint-watch                                      3.0.0  →          3.1.2 
 extract-text-webpack-plugin                       1.0.1  →          3.0.0 
 file-loader                                      0.10.0  →         0.11.2 
 html-webpack-plugin                              2.22.0  →         2.30.1 
 mocha                                             3.2.0  →          3.5.0 
 node-sass                                         4.5.0  →          4.5.3 
 npm-run-all                                       4.0.1  →          4.1.0 
 postcss-loader                                    1.3.1  →          2.0.6 
 react-addons-test-utils                          15.4.2  →         15.6.0 
 redux-immutable-state-invariant                   1.2.4  →          2.0.0 
 rimraf                                            2.5.4  →          2.6.1 
 sass-loader                                       6.0.1  →          6.0.6 
 sinon                                            1.17.7  →          3.2.1 
 sinon-chai                                        2.8.0  →         2.13.0 
 style-loader                                     0.13.1  →         0.18.2 
 url-loader                                        0.5.7  →          0.5.9 
 webpack                                          1.13.1  →          3.5.5 
 webpack-dev-middleware                            1.6.1  →         1.12.0 
 webpack-hot-middleware                           2.12.2  →         2.18.2