NPE on insertions into Iceberg-backed tables

INFO  : Executing stats task
INFO  : [Warning] could not update stats.Failed with exception null
java.lang.NullPointerException
        at org.apache.iceberg.mr.hive.HiveIcebergMetaHook.commitAlterTable(HiveIcebergMetaHook.java:283)
        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.alter_table(HiveMetaStoreClient.java:572)
        at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.alter_table(SessionHiveMetaStoreClient.java:500)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:218)
        at com.sun.proxy.$Proxy124.alter_table(Unknown Source)
        at org.apache.hadoop.hive.ql.metadata.Hive.alterTable(Hive.java:854)
        at org.apache.hadoop.hive.ql.metadata.Hive.alterTable(Hive.java:806)
        at org.apache.hadoop.hive.ql.metadata.Hive.alterTable(Hive.java:786)
        at org.apache.hadoop.hive.ql.stats.BasicStatsTask.aggregateStats(BasicStatsTask.java:279)
        at org.apache.hadoop.hive.ql.stats.BasicStatsTask.process(BasicStatsTask.java:100)
        at org.apache.hadoop.hive.ql.exec.StatsTask.execute(StatsTask.java:107)
        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:212)
        at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:105)
        at org.apache.hadoop.hive.ql.Executor.launchTask(Executor.java:361)
        at org.apache.hadoop.hive.ql.Executor.launchTasks(Executor.java:334)
        at org.apache.hadoop.hive.ql.Executor.runTasks(Executor.java:245)
        at org.apache.hadoop.hive.ql.Executor.execute(Executor.java:108)
        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:348)
        at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:204)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:153)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:148)
        at org.apache.hadoop.hive.ql.reexec.ReExecDriver.run(ReExecDriver.java:164)
        at org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:234)
        at org.apache.hive.service.cli.operation.SQLOperation.access$500(SQLOperation.java:89)
        at org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork$1.run(SQLOperation.java:337)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1682)
        at org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork.run(SQLOperation.java:357)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)