Hi Experts,
I hope this post finds you well.
I have sales return, when posting packing slip in intercompany i encounter this error.

Microsoft.Dynamics.Ax.Xpp.ErrorException: Exception of type 'Microsoft.Dynamics.Ax.Xpp.ErrorException' was thrown.
at Dynamics.Ax.Application.FormletterService.Run() in FormletterService.run.xpp:line 220
at Dynamics.Ax.Application.FormletterService.Postsalesorderpackingslip(SalesFormLetterPackingSlipContract _contract) in FormletterService.postSalesOrderPackingSlip.xpp:line 14
at FormletterService::postSalesOrderPackingSlip(Object , Object[] )
at Microsoft.Dynamics.Ax.Xpp.ReflectionCallHelper.MakeInstanceCall(Object instance, String MethodName, Object[] parameters)
at Microsoft.Dynamics.Ax.Xpp.DictClass.Callobject(String _methodName, XppObjectBase _Called, Object[] varArgs)
at Dynamics.Ax.Application.SysOperationServiceController.Runoperation(Boolean _async) in SysOperationServiceController.runOperation.xpp:line 93
at Dynamics.Ax.Application.SysOperationServiceController.runServiceOperation(Object[] parameters) in SysOperationServiceController.runServiceOperation.xpp:line 22
at SysOperationServiceController::runServiceOperation(Object[] )
at Microsoft.Dynamics.Ax.Xpp.ReflectionCallHelper.MakeStaticCall(Type type, String MethodName, Object[] parameters)
at Dynamics.Ax.Application.SysDictClass.invokeStaticMethod(Object[] _params) in SysDictClass.invokeStaticMethod.xpp:line 26
at SysDictClass::invokeStaticMethod(Object[] )
at Microsoft.Dynamics.Ax.Xpp.ReflectionCallHelper.MakeStaticCall(Type type, String MethodName, Object[] parameters)
at Microsoft.Dynamics.Ax.Xpp.PredefinedFunctions.runAsInvoke(String className, String staticMethodName, Object[] parms, Object[]& exportInfolog)
Unfortunately, my development server is currently not available so i haven't debug yet.
Any response is highly appreciated.
Thanks in advance.