1.Program variables passed to contructor of the abap class ,which is then passed to the static attributes of the class. 2.Worklfow event method of the same class called by program. 3.Event method of abap class triggers workflow. 4.Workflow is entered with event parameters. 5.Event parameters has values which was passed in the first step from program to constructor and then to the attributes. 6.Workflow task calls another method of the same abap class. 7.The method gives dump => field symbol not assigned. 8.< Field symbol > = attr_aufk_data.(attirubute). 9.In this entire process , is the attribute values get lost . Please answer !! very important!!
Edit: I see instead of fixing this you posted a duplicate question. Please avoid duplication, suggest deleting this question.