Got issue while adding the soapui-maven-plugin version 5.1.2-m-SNAPSHOT.

This error occored nly adding the element <executions>.

Error:

Plugin com.smartbear.soapui:soapui-maven-plugin:5.1.2-m-SNAPSHOT or one of its dependencies could not be resolved: Failure to find com.smartbear.soapui:soapui-maven-plugin:jar:5.1.2-m-SNAPSHOT in http://vblrqtools-32/nexus/content/groups/F1/ was cached in the local repository, resolution will not be reattempted until the update interval of nexus has elapsed or updates are forced -> [Help 1]

Plugin:

<plugin>
<groupId>com.smartbear.soapui</groupId>
<artifactId>soapui-maven-plugin</artifactId>
<version>5.1.2-m-SNAPSHOT</version>
<configuration>
<projectFile>test/SOAPUI/XX-nnn-soapui-project.xml</projectFile>
<outputFolder>{project.build.directory}/surefire-reports</outputFolder>
<junitReport>true</junitReport>
</configuration>
<executions>
<execution>
<id>soapUI</id>
<phase>test</phase>
<goals>
<goal>test</goal>
</goals>
</execution>
</executions>
</plugin>