SAP Message /SAPHT/DRM01418 - Repricing of lot no & failed as no reference document found.

Diagnosis
The DRM system derives the new price protectable price for a lot byrepricing the latest billing/ purchase document that was posted to thelot. In case of manually created lots, this billing/ purchase documentis not available. This error results when you try to include a manuallycreated lot in a price protection run.

Procedure
Enter a document type for price simulation in the default data screen,and then perform price protection run.