Cannot include project artifact: com.test.mmm.jar:1.0; it doesn't have an associated file or directory

I'm pretty lost with maven and I can't seem to find a solution for my problem. When I try to generate the jar file with all the dependencies of my project to execute it on another computer I find this warning when I execute `sudo mvn clean compile assembly:single`: ``` [WARNING] Cannot include project artifact: com.test:mmm:jar:1.0; it doesn't have an associated file or directory. ``` Also, when I try to execute the .jar with `java -jar target/test.jar` this error appears: ``` Error: Unable to access jarfile target/test.jar ``` here's my `pom.xml`: ``` <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.test</groupId> <artifactId>mmm</artifactId> <version>1.0</version> <packaging>jar</packaging> <name>mmm</name> <url>http://maven.apache.org</url> <properties> <nd4j.backend>nd4j-cuda-8.0-platform</nd4j.backend> </properties> <dependencies> <dependency> <groupId>org.jblas</groupId> <artifactId>jblas</artifactId> <version>1.2.4</version> </dependency> <dependency> <groupId>org.nd4j</groupId> <artifactId>nd4j-native-platform</artifactId> <version>0.8.0</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.8.2</version> <scope>test</scope> </dependency> <dependency> <groupId>org.deeplearning4j</groupId> <artifactId>deeplearning4j-core</artifactId> <version>0.8.0</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-assembly-plugin</artifactId> <version>3.0.0</version> <configuration> <archive> <manifest> <mainClass>com.test.mmm.Main</mainClass> </manifest> </archive> <finalName>test</finalName> <descriptorRefs>jar-with-dependencies</descriptorRefs> </configuration> </plugin> </plugins> </build> ``` The main class is located in `src/` I've tried many solutions from stack overflow but had no success, can someone help me? Thank you!