Partition 0 could not be fully assigned!

[nitishgoyal13]

Exception in thread "main" java.lang.IllegalStateException: Partition 0 could not be fully assigned!
at com.google.common.base.Preconditions.checkState(Preconditions.java:149)
at siftscience.kafka.tools.KafkaAssignmentStrategy.assignOrphans(KafkaAssignmentStrategy.java:183)
at siftscience.kafka.tools.KafkaAssignmentStrategy.getRackAwareAssignment(KafkaAssignmentStrategy.java:56)
at siftscience.kafka.tools.KafkaTopicAssigner.generateAssignment(KafkaTopicAssigner.java:70)
at siftscience.kafka.tools.KafkaAssignmentGenerator.printLeastDisruptiveReassignment(KafkaAssignmentGenerator.java:175)
at siftscience.kafka.tools.KafkaAssignmentGenerator.runTool(KafkaAssignmentGenerator.java:290)
at siftscience.kafka.tools.KafkaAssignmentGenerator.main(KafkaAssignmentGenerator.java:302)

[orimarti]

Same error here in almost all the situations! :)