[ERROR] Caused by: java.lang.IllegalStateException: Duplicate key input (attempted merging values Object and Object)
[ERROR]         at java.base/java.util.stream.Collectors.duplicateKeyException(Collectors.java:133)
[ERROR]         at java.base/java.util.stream.Collectors.lambda$uniqKeysMapAccumulator$1(Collectors.java:180)
[ERROR]         at java.base/java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
[ERROR]         at java.base/java.util.ArrayList$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.jbpm.workflow.core.impl.IOSpecification.getInputTypes(IOSpecification.java:47)