SAP Message C0542 - Batch determination/check: you have not entered a unit of measure

Diagnosis
You have entered a material quantity for process instruction &V2&assigned to phase &V1& of the process order. However, the unit ofmeasure has neither been entered in the PI sheet nor in the processorder.

System Response
The system uses the base unit of measure maintained in the materialmaster to carry out batch determination or batch check for this processinstruction.

Procedure
INCLUDE 'NA_HA_TST' OBJECT DOKU ID TX LANGUAGE EN
RESET N1
If you want to use a different unit of measure, add the characteristicfor the unit of measure (PPPI_UNIT_OF_MEASURE) in process instructionV2 assigned to phase v1 of the process order.
Create a new control recipe and maintain the PI sheet for it.
Change process order
INCLUDE 'NA_HA_PROD' OBJECT DOKU ID TX LANGUAGE EN
You cannot correct the process instruction for the current PI sheet.You must use the base unit of measure.
INCLUDE 'NA_PLNREZ_HINW' OBJECT DOKU ID TX LANGUAGE EN
Change master recipe