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Hi,   Im building an app using mendix. I dont get errors in the console, but when i run it i get this.   Any idea why?         com.mendix.core.CoreRuntimeException: An error occurred while executing the action 'MasterProcesos.ACT_PotenciaMejora'     at com.mendix.basis.objectmanagement.MendixObjectMemberImpl.getValue(MendixObjectMemberImpl.java:212) Caused by: com.mendix.modules.microflowengine.MicroflowException: Failed to evaluate expression, error occurred on line 1, character 1 $Potencial_Retorno_Proceso/MasterProcesos.Potencial_Retorno_Proceso_Coste_Externo/MasterProcesos.Coste_Externo/Coste_Euros + $Potencial_Retorno_Proceso/MasterProcesos.Potencial_Retorno_Proceso_Coste_Interno/MasterProcesos.Coste_Interno/CosteInterno ^     at MasterProcesos.ACT_PotenciaMejora (CreateOrChangeVariable : 'Create Decimal variable') Advanced stacktrace:     at com.mendix.languages.mxexpressions.MxExpression.evaluate(MxExpression.scala:33) Caused by: com.mendix.languages.expressions.ExpressionException: java.lang.IllegalArgumentException: Left and right hand side of binary expression should not be empty     at com.mendix.languages.expressions.Expr.evaluate(Expr.scala:16) Caused by: java.lang.IllegalArgumentException: Left and right hand side of binary expression should not be empty     at com.mendix.languages.expressions.BinaryExpr$$anonfun$error$1.applyOrElse(BinaryExpr.scala:50)     at com.mendix.languages.expressions.BinaryExpr$$anonfun$error$1.applyOrElse(BinaryExpr.scala:48)     at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:35)     at com.mendix.languages.expressions.BinaryExpr$$anonfun$add$1.applyOrElse(BinaryExpr.scala:89)     at com.mendix.languages.expressions.BinaryExpr$$anonfun$add$1.applyOrElse(BinaryExpr.scala:89)     at com.mendix.languages.expressions.BinaryExpr.evaluateExpression(BinaryExpr.scala:32)     at com.mendix.languages.expressions.Expr.evaluate(Expr.scala:13)     at com.mendix.languages.mxexpressions.MxExpression.evaluate(MxExpression.scala:26)     at com.mendix.languages.mxexpressions.MxExpression.evaluate(MxExpression.scala:16)     at com.mendix.modules.microflowengine.actions.variable.CreateOrChangeVariableAction.$anonfun$execute$2(CreateOrChangeVariableAction.scala:19)     at scala.Option.fold(Option.scala:263)     at com.mendix.modules.microflowengine.actions.variable.CreateOrChangeVariableAction.execute(CreateOrChangeVariableAction.scala:19)     at com.mendix.modules.microflowengine.actions.variable.CreateOrChangeVariableAction.execute(CreateOrChangeVariableAction.scala:9)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.$anonfun$execute$1(MicroflowObject.scala:31)     at scala.Option.flatMap(Option.scala:283)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.execute(MicroflowObject.scala:28)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.$anonfun$executeAfterBreakingIfNecessary$2(MicroflowImpl.scala:167)     at scala.Option.flatMap(Option.scala:283)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAfterBreakingIfNecessary(MicroflowImpl.scala:167)     at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAction(MicroflowImpl.scala:114)     at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:46)     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:70)     at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:48)     at com.mendix.core.actionmanagement.internal.InternalCoreAction.call(InternalCoreAction.scala:25)     at com.mendix.basis.actionmanagement.ActionManager.$anonfun$executeSync$2(ActionManager.scala:80)     at com.mendix.util.classloading.Runner.withContextClassLoader(Runner.java:19)     at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:79)     at com.mendix.basis.actionmanagement.MicroflowCallBuilderImpl.execute(MicroflowCallBuilderImpl.scala:41)     at com.mendix.basis.objectmanagement.MendixObjectMemberImpl.getValue(MendixObjectMemberImpl.java:210)     at com.mendix.webui.jsonserialization.ValueConverter$$anon$2.apply(ValueConverter.scala:39)     at com.mendix.webui.jsonserialization.ValueConverter$.convertValue(ValueConverter.scala:106)     at com.mendix.webui.jsonserialization.ValueConverter$.convertChangedMemberValue(ValueConverter.scala:38)     at com.mendix.webui.jsonserialization.MendixObjectConverter$.convertMemberValue(MendixObjectConverter.scala:89)     at com.mendix.webui.jsonserialization.MendixObjectConverter$.$anonfun$convertCurrentValues$2(MendixObjectConverter.scala:49)     at scala.collection.immutable.List.map(List.scala:246)     at scala.collection.immutable.List.map(List.scala:79)     at com.mendix.webui.jsonserialization.MendixObjectConverter$.convertCurrentValues(MendixObjectConverter.scala:47)     at com.mendix.webui.actions.client.RetrieveByXPathAction.$anonfun$retrieveForDataGrid$1(RetrieveByXPathAction.scala:102)     at scala.collection.immutable.List.map(List.scala:246)     at scala.collection.immutable.List.map(List.scala:79)     at com.mendix.webui.actions.client.RetrieveByXPathAction.convert(RetrieveByXPathAction.scala:220)     at com.mendix.webui.actions.client.RetrieveByXPathAction.retrieveForDataGrid(RetrieveByXPathAction.scala:96)     at com.mendix.webui.actions.client.RetrieveByXPathAction.apply(RetrieveByXPathAction.scala:60)     at com.mendix.webui.actions.client.RetrieveByXPathAction.apply(RetrieveByXPathAction.scala:29)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$.$anonfun$liftEither$1(RegularClientAction.scala:29)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.$anonfun$apply$4(RegularClientAction.scala:55)     at com.mendix.webui.requesthandling.helpers.StateHandling.withState(StateHandling.scala:39)     at com.mendix.webui.requesthandling.helpers.StateHandling.withState$(StateHandling.scala:36)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.withState(RegularClientAction.scala:45)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.apply(RegularClientAction.scala:53)     at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.apply(RegularClientAction.scala:45)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$3(RegularClientAction.scala:109)     at scala.util.Try$.apply(Try.scala:210)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2(RegularClientAction.scala:109)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2$adapted(RegularClientAction.scala:107)     at com.mendix.webui.requesthandling.helpers.ContextHandling.$anonfun$inContext$5(ContextHandling.scala:51)     at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)     at com.mendix.basis.actionmanagement.ActionMonitoring$.$anonfun$monitor$1(ActionMonitoring.scala:50)     at com.mendix.util.classloading.Runner.withContextClassLoader(Runner.java:19)     at com.mendix.basis.actionmanagement.ActionMonitoring$.monitor(ActionMonitoring.scala:50)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:51)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:26)     at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:86)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:23)     at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:18)     at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:86)     at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$1(RegularClientAction.scala:107)     at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)     at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest(ProfileHandling.scala:14)     at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest$(ProfileHandling.scala:10)     at com.mendix.webui.actions.client.RegularClientAction.profileRequest(RegularClientAction.scala:86)     at com.mendix.webui.actions.client.RegularClientAction.execute(RegularClientAction.scala:104)     at com.mendix.webui.requesthandling.ClientRequestHandler.handleAction(ClientRequestHandler.scala:106)     at com.mendix.webui.requesthandling.ClientRequestHandler.processRequest(ClientRequestHandler.scala:79)     at com.mendix.externalinterface.connector.RequestHandler.doProcessRequest(RequestHandler.java:35)     at com.mendix.external.connector.MxRuntimeConnector.lambda$processRequest$0(MxRuntimeConnector.java:74)     at com.mendix.util.classloading.Runner.withContextClassLoader(Runner.java:19)     at com.mendix.external.connector.MxRuntimeConnector.processRequest(MxRuntimeConnector.java:73)     at com.mendix.basis.impl.MxRuntimeImplBase.processRequest(MxRuntimeImplBase.java:806)     at com.mendix.m2ee.appcontainer.server.handler.RuntimeServlet.service(RuntimeServlet.scala:25)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)     at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)     at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)     at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228)     at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)     at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)     at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)     at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)     at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)     at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)     at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)     at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)     at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)     at org.eclipse.jetty.server.Server.handle(Server.java:516)     at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)     at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)     at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)     at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)     at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)     at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383)     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:882)     at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1036)     at java.base/java.lang.Thread.run(Thread.java:834)

asked 2021-08-10

1 answers