MAD value in Demand plan different than MAD value in Supply plan.

Summary:

Shipments Forecast MAD value calculated by Demand plan show 2.14 in custom table and items table in supply plan show MAD as 12. Plan options in supply plan are selected calculate safety stock as Demand schedule and MAD is selected as forecast accuracy measure in plan options of supply plan in demand schedule.

Why are both values MAD values different even if Supply plan is using MAD values from Demand plan itself?

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):