Unable to use npm install command

[kannansomaiah]

Getting below error when I run npm install command on my reactjs project folder. Please check and rectify quickly as this is impacting out project development. We have setup cntlm proxy as well to connect to internet and download the npm libraries

8 silly install loadCurrentTree
9 silly install readLocalPackageData
10 timing stage:loadCurrentTree Completed in 16ms
11 silly install loadIdealTree
12 silly install cloneCurrentTreeToIdealTree
13 timing stage:loadIdealTree:cloneCurrentTree Completed in 0ms
14 silly install loadShrinkwrap
15 timing stage:loadIdealTree:loadShrinkwrap Completed in 5ms
16 silly install loadAllDepsIntoIdealTree
17 http fetch GET 502 https://registry.npmjs.org/@babel%2fplugin-transform-runtime 196226ms attempt #3
18 http fetch GET 502 https://registry.npmjs.org/@babel%2fcore 196249ms attempt #3
19 http fetch GET 502 https://registry.npmjs.org/@babel%2fcli 196252ms attempt #3
20 http fetch GET 502 https://registry.npmjs.org/@babel%2fplugin-transform-strict-mode 196254ms attempt #3
21 http fetch GET 502 https://registry.npmjs.org/@babel%2fplugin-transform-object-assign 196260ms attempt #3
22 http fetch GET 502 https://registry.npmjs.org/@babel%2fplugin-proposal-decorators 196262ms attempt #3
23 http fetch GET 502 https://registry.npmjs.org/@material-ui%2fcore 196716ms attempt #3
24 http fetch GET 502 https://registry.npmjs.org/@babel%2fpreset-env 196729ms attempt #3
25 http fetch GET 502 https://registry.npmjs.org/@babel%2fpreset-react 196734ms attempt #3
26 http fetch GET 502 https://registry.npmjs.org/@material-ui%2flab 196733ms attempt #3
27 timing npm Completed in 197492ms
28 error cb() never called!
29 error This is an error with npm itself. Please report this error at:
30 error https://npm.community

[kannansomaiah]

Using the right proxy server details in cntlm resolved this issue