[Progress Communities] [Progress OpenEdge ABL] Forum Post: RE: Old ABL GUI: Appbuilder throws LIST-ITEM_PAIRS error (7452) ...

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Patrick Tingen

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It might be that some of the UIB markup is lost in the file, which could result in rendering issues while opening it. Some ideas: 0) Create a backup of the .w before you start fiddling with it 1) Compare the corrupt .w with one that opens correctly and compare the markup to that one 2) On the first error, open the debugger and step through the code to see where it occurs 3) Create a new .w, open old one with Notepad++ and move code over from old to new

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