BrickPi Java Exception LoggerFactory


I have brickPi-1.0-SNAPSHOT.jar in the libraries of my project file and I am trying to run Why this exception is shown:
“Exception in thread “main” java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
at com.ergotech.brickpi.BrickPiCommunications.(
at com.ergotech.brickpi.BrickPiTests.main(
Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
at java.lang.ClassLoader.loadClass(
at sun.misc.Launcher$AppClassLoader.loadClass(
at java.lang.ClassLoader.loadClass(
… 2 more
/home/pi/.cache/netbeans/8.2/executor-snippets/run.xml:53: Java returned: 1
BUILD FAILED (total time: 2 seconds)”


Are you using a BrickPi+ or BrickPi3?