Error - DelegateInArgument`1 when trying to export as workflow

Hi!
I did a quick search on my problem and couldn’t find anything helpful so I’m taking my chance here.
I currently have one big workflow that i want to break into two sub-workflows.
Both of these sub-workflows contain one “for” loop with another “for” loop inside and one “if” statement. And they both take in two IEnumerable as Entry argument.

However when trying to export any of the two as worflow,I get the following error : “DelegateInArgument`1”, with the following error (don’t know if this help but I put it here just in case) :

20.6.0-beta.93+Branch.release-v20.6.0.Sha.520fc7e20bd9baa56becf2fa30e75d1a9000a01d

DelegateInArgument`1

Erreur: System.NotImplementedException: DelegateInArgument1 à UiPath.Studio.Plugin.Workflow.Shared.Extensions.ModelItemExtensions.GetArgumentGenericType(ModelItem modelItem) à UiPath.Studio.Plugin.Workflow.WorkflowHandling.Variables.DocumentVariablesService.ProcessResult(IList1 result, InvokableArgument usedVariable, ModelItem modelItem)
à UiPath.Studio.Plugin.Workflow.WorkflowHandling.Variables.DocumentVariablesService.AppendToResult(IList1 result, List1 usedVariables, IEnumerable1 allArgsAndVars) à UiPath.Studio.Plugin.Workflow.WorkflowHandling.Variables.DocumentVariablesService.GetInUseVariablesAndArguments(IReadOnlyCollection1 activities)
à UiPath.Studio.Plugin.Workflow.WorkflowHandling.DesignerWrapper.d__118.MoveNext()
— Fin de la trace de la pile à partir de l’emplacement précédent au niveau duquel l’exception a été levée —
à System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.b__6_0(Object state)
à System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
à System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler), HResult -2147467263

If anyone has an idea of what causing it, I am all ears
Thank You

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