Multiple Instance Sub-Proces

A simple process with a multi-instance sub-process fails to compile with the following error:

ERROR] Failed to execute goal io.quarkus:quarkus-maven-plugin:1.12.0.Final:build (default) on project kogito-piece: Failed to build quarkus application: io.quarkus.builder.BuildException: Build failure: Build failed due to errors
[ERROR] [error]: Build step org.kie.kogito.quarkus.deployment.KogitoAssetsProcessor#generateModel threw an exception: org.kie.kogito.codegen.process.ProcessCodegenException: Error while elaborating process id = "MyProcess", packageName = "com.xxx": null
[ERROR] at org.kie.kogito.codegen.process.ProcessCodegen.generate(ProcessCodegen.java:248)
[ERROR] at org.kie.kogito.codegen.ApplicationGenerator.lambda$generateComponents$1(ApplicationGenerator.java:83)
[ERROR] at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:271)
[ERROR] at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
[ERROR] at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
[ERROR] at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
[ERROR] at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
[ERROR] at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
[ERROR] at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
[ERROR] at org.kie.kogito.codegen.ApplicationGenerator.generateComponents(ApplicationGenerator.java:84)
[ERROR] at org.kie.kogito.codegen.ApplicationGenerator.generate(ApplicationGenerator.java:66)
[ERROR] at org.kie.kogito.quarkus.deployment.KogitoAssetsProcessor.generateModel(KogitoAssetsProcessor.java:147)
[ERROR] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[ERROR] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] at java.base/java.lang.reflect.Method.invoke(Method.java:566)
[ERROR] at io.quarkus.deployment.ExtensionLoader$2.execute(ExtensionLoader.java:920)
[ERROR] at io.quarkus.builder.BuildContext.run(BuildContext.java:277)
[ERROR] at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2415)
[ERROR] at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1452)
[ERROR] at java.base/java.lang.Thread.run(Thread.java:834)
[ERROR] at org.jboss.threads.JBossThread.run(JBossThread.java:501)
[ERROR] Caused by: java.lang.NullPointerException
[ERROR] at org.jbpm.compiler.canonical.ForEachNodeVisitor.visitNode(ForEachNodeVisitor.java:72)
[ERROR] at org.jbpm.compiler.canonical.ForEachNodeVisitor.visitNode(ForEachNodeVisitor.java:40)
[ERROR] at org.jbpm.compiler.canonical.AbstractNodeVisitor.visitNode(AbstractNodeVisitor.java:63)
[ERROR] at org.jbpm.compiler.canonical.ProcessVisitor.visitNodes(ProcessVisitor.java:234)
[ERROR] at org.jbpm.compiler.canonical.ProcessVisitor.visitProcess(ProcessVisitor.java:158)
[ERROR] at org.jbpm.compiler.canonical.ProcessToExecModelGenerator.generate(ProcessToExecModelGenerator.java:91)
[ERROR] at org.kie.kogito.codegen.process.ProcessExecutableModelGenerator.generate(ProcessExecutableModelGenerator.java:43)
[ERROR] at org.kie.kogito.codegen.process.ProcessCodegen.generate(ProcessCodegen.java:240)
[ERROR] ... 21 more