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MRP Descripency


This issue is related to MRP.

I have a material AC0001 which is a FERT Material and is produced inhouse.

It has MRP Type PD. In MRP 2 screan in the scheduling tab the In-house production is 5 days and the GR Processing time is 1 day.

The stock is Zero and there has a require which comes for 2 numbers.

For example, for material AC0001, I took the first MRP run on 5/17/11, but the first planned order created is for 5/11/11, which is in the past. Why would MRP propose a planned order in the past?

The answer to this is system is doing backward scheduling by considering inhouse production time of 5 days....generally system doesn't allow the dates to go in the past unless you do the customizing and make the system to allow scheduling in the past in the MRP parameters in SPRO.

The second portion of my question is, for the same material AC0001, the second MRP run is from 5/18/11 .On that day, planned order created has a date of 5/10/11, one day before than the previous date. Why would this happen?

Thanks & Regards


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