SAP Message CK168 - Cost estimate for material & / plant & is incorrect

Diagnosis
The system found errors in the cost estimate of material component &V1&from plant &V2&.

System Response
The results of raw material cost estimates that have errors are notused in the product just costed. Only cost estimates that do not haveerrors or that were released are used in costrollup.
All assemblies that contain material &V1& from plant &V2& in theirstructure are indicated as incorrect.
The message sets the costing status of the assembly to 'costed with errors'.

Procedure
Eliminate the error at the highest low-levelcode.