Cost estimate for material & / plant & is incorrect

What causes this issue?

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 not
used in the product just costed. Only cost estimates that do not have
errors or that were released are used in <DS:GLOS.cost_rollup>cost
rollup</>.
All assemblies that contain material &V1& from plant &V2& in their
structure are indicated as incorrect.
The message sets the costing status of the <DS:GLOS.assembly>assembly
</> to 'costed with errors'.

How to fix this error?

Eliminate the error at the highest <DS:GLOS.low-level_code>low-level
code.</>

Error message extract from SAP system. Copyright SAP SE.