SAP Message VHUMI185 - Materials with serial number requirement

Diagnosis
Manufacturing order &V1& contains material components for which serialnumbers are required.
Material components that require serial numbers are not supported intransactions COPAWA and COWBHUWA or in process instructions MI_HUSTG,I_HUCNS, MI_HUCMP, and MI_HUSQU.

System Response
Transaction COPAWA or process instruction MI_HUSTG cannot be executedwith manufacturing orders containing material components that requireserial numbers.