Message type: E = Error
Message class:  WRF_DISPRO -  
Message number: 055
Message text: Material &1, plant &2 were not calculated; entry contained in worklist
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SAP Error Message: WRF_DISPRO055 Material &1, plant &2 were not calculated; entry contained in worklist Meaning / Cause This message occurs during the availability check or requirements planning process in SAP (typically in PP or SD modules). It indicates that the material (Material &1) in the specified plant (&2) was not calculated because the system found an entry for this material and plant combination in the worklist. The worklist is a list of materials/plants that are scheduled for processing (e.g., planning run, availability check). If a material is already in the worklist, the system avoids recalculating it immediately to prevent redundant or conflicting calculations. In other words: The system detected that the material/plant is already queued for processing, so it skips recalculating it at this moment. When does this happen? During MRP runs or availability checks. When multiple transactions or processes try to calculate the same material/plant simultaneously. When a material is locked or scheduled for planning, and a new
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