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Sep 11, 2009 at 05:10 AM

Purchase Requisition Not generating In MD04 with MRP type VV


Hi All,

i am new to Forecasting concept but having a issue. please help me.

in MD04 purchase requisition is not showing. i checked the material master & found that the forecast values are blank & in the log

the following error message showing.

>time series characterstics changed.

>forecast values will be nagative

>initialization started

>Ex-post forecast carried out

>safety stock not calculated as service level =0

could you please let me know if this might be the reason for PR being not generated in MD04 & what rectification needs to be done.

Any help will be highly appreciated.

Thanks & Regards,