Launching Issue

I am having issue with metasfresh.dist.serverRoot.launch, when i am trying to launching this file so error is showing like that Error: Could not find or load main class Modules.prac1.metasfresh.backend.metasfresh-dist.metasfresh.properties
Caused by: java.lang.ClassNotFoundException: Modules.prac1.metasfresh.backend.metasfresh-dist.metasfresh.properties if any one have any solution please share it.