SAP Message ME154 - Not possible to determine any components

ME154 : Not possible to determine any components

407089ME52N Subcontracting: Change material, plant, item category
366032ME21N ME51N subcontracting maintenance components
127705Conversion of SC requisition w/o BOM: Error message ME 154
548117ME21N Inconsistency in dependt reqs for subcontrct reqsn ref