Error after changing datatype from currency to decimal: java.lang.ClassCastException: java.lang.Double cannot be cast to java.math.BigDecimal

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Error after changing datatype from currency to decimal: " java.lang.ClassCastException: java.lang.Double cannot be cast to java.math.BigDecimal" We have a object reserveline and this object is a generalization of the object transaction. after changing the datatype from currency to decimal and converting the data in the mendix modeler we get this error. With objects that are not generalized we do not get this error. What can cause this error?
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1 answers
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This is happening in a microflow. The stacktrace below:

java.lang.ClassCastException: java.lang.Double cannot be cast to java.math.BigDecimal at com.mendix.webui.jsonserialization.ResultSerializer.generateMendixObjectMember(ResultSerializer.scala:221) at com.mendix.webui.jsonserialization.ResultSerializer.com$mendix$webui$jsonserialization$ResultSerializer$$generateMemberValue(ResultSerializer.scala:185) at com.mendix.webui.jsonserialization.ResultSerializer$$anonfun$com$mendix$webui$jsonserialization$ResultSerializer$$generateMendixObject$1.apply(ResultSerializer.scala:161) at com.mendix.webui.jsonserialization.ResultSerializer$$anonfun$com$mendix$webui$jsonserialization$ResultSerializer$$generateMendixObject$1.apply(ResultSerializer.scala:157) at scala.collection.Iterator$class.foreach(Iterator.scala:742) at scala.collection.AbstractIterator.foreach(Iterator.scala:1194) at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at scala.collection.AbstractIterable.foreach(Iterable.scala:54) at com.mendix.webui.jsonserialization.ResultSerializer.com$mendix$webui$jsonserialization$ResultSerializer$$generateMendixObject(ResultSerializer.scala:157) at com.mendix.webui.jsonserialization.ResultSerializer.com$mendix$webui$jsonserialization$ResultSerializer$$generate(ResultSerializer.scala:78) at com.mendix.webui.jsonserialization.ResultSerializer$$anonfun$generateIterable$1.apply(ResultSerializer.scala:129) at com.mendix.webui.jsonserialization.ResultSerializer$$anonfun$generateIterable$1.apply(ResultSerializer.scala:129) at scala.collection.Iterator$class.foreach(Iterator.scala:742) at scala.collection.AbstractIterator.foreach(Iterator.scala:1194) at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at scala.collection.AbstractIterable.foreach(Iterable.scala:54) at com.mendix.webui.jsonserialization.ResultSerializer.generateIterable(ResultSerializer.scala:129) at com.mendix.webui.jsonserialization.ResultSerializer.com$mendix$webui$jsonserialization$ResultSerializer$$generate(ResultSerializer.scala:83) at com.mendix.webui.jsonserialization.ResultSerializer.generate(ResultSerializer.scala:62) at com.mendix.webui.jsonserialization.FeedbackSerializer$$anonfun$com$mendix$webui$jsonserialization$FeedbackSerializer$$addInstruction$1.apply(FeedbackSerializer.scala:39) at com.mendix.webui.jsonserialization.FeedbackSerializer$$anonfun$com$mendix$webui$jsonserialization$FeedbackSerializer$$addInstruction$1.apply(FeedbackSerializer.scala:39) at scala.collection.Iterator$class.foreach(Iterator.scala:742) at scala.collection.AbstractIterator.foreach(Iterator.scala:1194) at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at scala.collection.AbstractIterable.foreach(Iterable.scala:54) at com.mendix.webui.jsonserialization.FeedbackSerializer$.com$mendix$webui$jsonserialization$FeedbackSerializer$$addInstruction(FeedbackSerializer.scala:39) at com.mendix.webui.jsonserialization.FeedbackSerializer$$anonfun$serializeFeedback$1.apply(FeedbackSerializer.scala:18) at com.mendix.webui.jsonserialization.FeedbackSerializer$$anonfun$serializeFeedback$1.apply(FeedbackSerializer.scala:18) at scala.collection.mutable.LinkedHashSet.foreach(LinkedHashSet.scala:91) at com.mendix.webui.jsonserialization.FeedbackSerializer$.serializeFeedback(FeedbackSerializer.scala:18) at com.mendix.webui.jsonserialization.ResultSerializer.serializeFeedback(ResultSerializer.scala:46) at com.mendix.webui.requesthandling.ClientRequestHandler.com$mendix$webui$requesthandling$ClientRequestHandler$$processFeedback(ClientRequestHandler.scala:387) at com.mendix.webui.requesthandling.ClientRequestHandler$$anonfun$handleRequest$1.apply$mcV$sp(ClientRequestHandler.scala:311) at com.mendix.webui.requesthandling.ClientRequestHandler$$anonfun$handleRequest$1.apply(ClientRequestHandler.scala:277) at com.mendix.webui.requesthandling.ClientRequestHandler$$anonfun$handleRequest$1.apply(ClientRequestHandler.scala:277) at com.mendix.core.session.Worker$$anonfun$receive$3$$anonfun$2$$anon$1.execute(ActionDispatching.scala:144) at com.mendix.util.classloading.Runner.doRunUsingClassLoaderOf(Runner.java:32) at com.mendix.core.session.Worker$$anonfun$receive$3$$anonfun$2.apply(ActionDispatching.scala:146) at scala.util.Try$.apply(Try.scala:192) at com.mendix.core.session.Worker$$anonfun$receive$3.applyOrElse(ActionDispatching.scala:140) at akka.actor.Actor$class.aroundReceive(Actor.scala:465) at com.mendix.core.session.Worker.aroundReceive(ActionDispatching.scala:136) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) at akka.actor.ActorCell.invoke(ActorCell.scala:487) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) at akka.dispatch.Mailbox.run(Mailbox.scala:220) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)

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