Error while compiling

[johnmesh]

i am trying to compile this project on windows using "sbt run" command but i keep getting this error message.

java.io.IOException: Cannot run program "npm" (in directory "S:\play-angular2-java-seed-master\ui"): CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.(ProcessImpl.java:386)
at java.lang.ProcessImpl.start(ProcessImpl.java:137)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
[trace] Stack trace suppressed: run last compile:run for the full output.
[error] (compile:run) java.io.IOException: Cannot run program "npm" (in directory "S:\play-angular2-java-seed-master\ui"): CreateProcess error=2, The system cannot find the file specified
[error] Total time: 0 s, completed Sep 1, 2017 2:59:17 PM

[s4kibs4mi]

@johnmesh so far npm is not installed or configured on the system correctly.

[johnmesh]

@s4kibs4mi i had already installed the latest npm on my system...currently its v5.3.0

[johnmesh]

it worked finally. i forgot to prefix "npm install" command with "cmd /c" in UIBuild.scala file.