If you are facing any Cache Related issue in axapta then you can Refresh Refresh Dictionary, Data, Element cache in Ax 2012. Just Open Ax client then open Application object tree(AOT) then go to tools menu ->cache . Here you can see Refresh dictionary, Refresh data and Refresh element. Sometimes you made some change in any object and its not reflecting to clients then you can use this option to correct the issue. I want to attach screen of menu as below.
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