error when using query with incremental load

[MrHenryD]

Error occurs with using the incremental_field option along with query.

org.embulk.exec.PartialExecutionException: org.embulk.config.ConfigException: Could not generate new query for incremental load.
        at org.embulk.exec.BulkLoader$LoaderState.buildPartialExecuteException(BulkLoader.java:340)
        at org.embulk.exec.BulkLoader.doRun(BulkLoader.java:566)
        at org.embulk.exec.BulkLoader.access$000(BulkLoader.java:35)
        at org.embulk.exec.BulkLoader$1.run(BulkLoader.java:353)
        at org.embulk.exec.BulkLoader$1.run(BulkLoader.java:350)
        at org.embulk.spi.Exec.doWith(Exec.java:22)
        at org.embulk.exec.BulkLoader.run(BulkLoader.java:350)
        at org.embulk.EmbulkEmbed.run(EmbulkEmbed.java:242)
        at org.embulk.EmbulkRunner.runInternal(EmbulkRunner.java:291)
        at org.embulk.EmbulkRunner.run(EmbulkRunner.java:155)
        at org.embulk.cli.EmbulkRun.runSubcommand(EmbulkRun.java:431)
        at org.embulk.cli.EmbulkRun.run(EmbulkRun.java:90)
        at org.embulk.cli.Main.main(Main.java:64)
        Suppressed: java.lang.NullPointerException
                at org.embulk.exec.BulkLoader.doCleanup(BulkLoader.java:463)
                at org.embulk.exec.BulkLoader$3.run(BulkLoader.java:397)
                at org.embulk.exec.BulkLoader$3.run(BulkLoader.java:394)
                at org.embulk.spi.Exec.doWith(Exec.java:22)
                at org.embulk.exec.BulkLoader.cleanup(BulkLoader.java:394)
                at org.embulk.EmbulkEmbed.run(EmbulkEmbed.java:245)
                ... 5 more
Caused by: org.embulk.config.ConfigException: Could not generate new query for incremental load.
        at org.embulk.input.mongodb.MongodbInputPlugin.buildIncrementalCondition(MongodbInputPlugin.java:394)
        at org.embulk.input.mongodb.MongodbInputPlugin.transaction(MongodbInputPlugin.java:86)
        at org.embulk.exec.BulkLoader.doRun(BulkLoader.java:507)
        ... 11 more

Error: org.embulk.config.ConfigException: Could not generate new query for incremental load.