at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:383)

I am getting below error during > mvn clean install -DskipTests

[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] Child module C:\MicroServices_Projects\Mastering-Spring-Cloud\Chapter04\sample-spring-cloud-netflix-master\sample-gateway-service of C:\MicroServices_Projects\Mastering-Spring-Cloud\Chapter04\sample-spring-cloud-netflix-master\pom.xml does not exist @
 @
[ERROR] The build could not read 1 project -> [Help 1]
org.apache.maven.project.ProjectBuildingException: Some problems were encountered while processing the POMs:
[ERROR] Child module C:\MicroServices_Projects\Mastering-Spring-Cloud\Chapter04\sample-spring-cloud-netflix-master\sample-gateway-service of C:\MicroServices_Projects\Mastering-Spring-Cloud\Chapter04\sample-spring-cloud-netflix-master\pom.xml does not exist @

    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:383)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:954)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:356)
[ERROR]
[ERROR]   The project pl.piomin.services:sample-spring-cloud-netflix:1.0-SNAPSHOT (C:\MicroServices_Projects\Mastering-Spring-Cloud\Chapter04\sample-spring-cloud-netflix-master\pom.xml) has 1 error
[ERROR]     Child module C:\MicroServices_Projects\Mastering-Spring-Cloud\Chapter04\sample-spring-cloud-netflix-master\sample-gateway-service of C:\MicroServices_Projects\Mastering-Spring-Cloud\Chapter04\sample-spring-cloud-netflix-master\pom.xml does not exist
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException