When trying to start a job production startup of material ledger in transaction CKMSTART, the error messageC+302, Material ledger not active in plant, might occur
Error material ledger not active in plant ABCD in CMKSTARTError message description C+302
To solve this error, go to the customizing IMG, transaction SPRO, and navigate to Controlling > Product Cost Controlling > Actual Costing/Material Ledger > Activate Valuation Areas for Material Ledger
Activate valuation areas for material ledger in SPRO
Here, choose the Activate Material Ledger
Activate Material Ledger option
Scroll to the corresponding Valuation Area, and check the Material Ledger activated
Activation of Material ledger for the valuation area