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Former Member
Dec 08, 2011 at 03:20 PM

Planning calendar in MRP settings

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Hello,

I am trying to run MRP using planning calendar settings to create my PR.

I setup the MRP type R1 (which from what I gather is the one that should be used) and have the planning calendar set for "every Friday."

When I switch the lot size to PK (period lot size to plng calendar), i receive a error message (see below)

My questions are:

1. What are the best/normal MRP settings when trying to use planning calendar

2. Could someone please walk through each step in order

2. Is there configuration constriants which wont allow certain MRP types with lot sizes, or does that come standard?

Thanks!

-MESSAGE -

With time-phased materials planning, MRP lot size PK is not allowed

Message no. M3594

Diagnosis

The MRP type for time-phased materials planning is assigned to the material. However, with time-phased materials planning, only the following lot sizes are allowed:

lot-for-lot order quantity

fixed lot size

optimum lot size

Procedure

Please specify a valid MRP lot size.