Problem with information from Micrologix to Panelview

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Hi guys. Few weeks ago, We made a modification to the code of PanelView Plus 1000, we added a RecipePlus Table, but when we run it we cannot see the real status of the information of the controller nor responds to the HMI, but when we run the old code it works very well; this PV uses RS232 to communicate with the controller. Somebody has some idea of what it can be the problem? we already reviewed part by part the file and does not find differentiate some. Since information we did the same with another PV, connected to a MicroLogix 5000 using Ethernet, and this it works very well. Thanks in advance.