org.jboss.resteasy.spi.UnhandledException: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.Collection

BPMN & Modeling Discussion & Questions
2

So, you don’t actually need to add the Loop Cardinality if you’re sending in a collection, it’ll pick up the size itself.

The Loop Cardinality feild is for cases where you just want to run the loop a specific number of times

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