If your MRP is not working, this is the last check
If your MRP is not working how would you troubleshoot it? It is very simple than you think. Check each source of demand and sources of supply. Check whether there is anything wrong. If you are running AFS in MTO (Made To Order) model, then this means, checking your SO for any problems, Checking your BOM for any issues, checking for the planning horizons and checking for planned orders and so on. But if you have checked all these but you can find nothing, when it seems like you have checked every possible options, you have one more check to be done. This check is really important if the MRP is not running for any of your SO (or other sources of demands) or for any of your materials. The check is the number range check.
Yes, one of the MRP issues, I found few times in my consulting carrier happens due to the exhaustion of numbers allocated. For an example, if you run out of numbers in allocated planed order number series, MRP will not be able to create a planned order. Same logic applies for the Purchase requisitions too. Check this and if the numbers are exhausted or nearing the upper limit of the allocated number series, you have to extend your number series or allocate a new number series for the document type in question.You can check these settings using transaction OMI2. I hope you found this piece of advice interesting. If you like to contribute to the AFS knowledge pool, please write to me at azwath@yahoo.com
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