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Hi AX Technical, Today, in this post we are going to share a solution for below error: Error : System.OperationCanceledException: AIF service group not activated.   Service group: AccountsReceivableServices.   Error: There is already a listener on IP endpoint 0.0.0.0:8201. This could happen if there is another application already listening on this endpoint or if you have multiple service endpoints in your service host with the same IP endpoint but with incompatible binding configurations. ---> System.ServiceModel.AddressAlreadyInUseException: There is already a listener on IP endpoint 0.0.0.0:8201. This could happen if there is another application already listening on this endpoint or if you have multiple service endpoints in your service host with the same IP endpoint but with incompatible binding configurations. ---> System.Net.Sockets.SocketException: Only one usage of each socket address (protocol/network address/port) is normally permitted  ...

Hi Readers, Today, in this post we are going to share a solution for the below error. We got the below error while doing Full CIL. Error : System.OperationCanceledException: AIF service group not activated.  Service group: FinancialDimensionServices.  Error: Type 'Dynamics.Ax.Application.BudgetDimensionValidationStatusContract' cannot inherit from a type that is not marked with DataContractAttribute or SerializableAttribute.  Consider marking the base type 'Dynamics.Ax.Application.DimensionValidationStatusProcessor' with DataContractAttribute or SerializableAttribute, or removing them from the derived type. ---> System.Runtime.Serialization.InvalidDataContractException: Type 'Dynamics.Ax.Application.BudgetDimensionValidationStatusContract' cannot inherit from a type that is not marked with DataContractAttribute or SerializableAttribute.  Consider marking the base type 'Dynamics.Ax.Application.DimensionValidationStatusProcessor' with DataContrac...