Can't package

[catOfZpp]

I get follow error when i use the command of "mvn clean package -Dcheckstyle.skip -DskipTests"

ERROR] Failed to execute goal org.apache.maven.plugins:maven-assembly-plugin:2.5.5:single (default) on project ycsb: Failed to create assembly: Artifact: site.ycsb:googlebigtable2-binding:jar:0.18.0-SNAPSHOT (included by module) does not have an artifact with a file. Please ensure the package phase is run before the assembly is generated. -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[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/MojoExecutionException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <args> -rf :ycsb

I use maven: 3.6.3. Can anyone help me