Users - requirements - atp reaches minimum stock
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Users - requirements - atp reaches minimum stock
 
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Hi,
I have the following problem: I have 21 pieces on stock. The minimum stock quantity is 20. Also the reorder quantity. The requirement of my store is 2"when atp reaches minimum stock..". If a customer orders 2 pieces of this product, a requirement is indeed generated but with the wrong quantity --> 1. Shouldn't it be 20? If I choose the requirement-method "when qoh reaches minimum stock..." and the order is completed, the generated requirement has the correct quantity. What's wrong with the atp requirement method? Thanks for your reply. Best Regards Joachim -- Joachim Schreibmaier _______________________________________________ Users mailing list [hidden email] http://lists.ofbiz.org/mailman/listinfo/users |
Re: Users - requirements - atp reaches minimum stock
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Hi Joachim,
in my opinion the requirement method based on ATP is not correctly implemented; I'd suggest using that based on QOH instead. For more information see the thread "Requirements based on ATP levels" happened earlier this month in this list. Jacopo Schreibmaier Joachim wrote: > Hi, > > I have the following problem: > > I have 21 pieces on stock. The minimum stock quantity is 20. Also the > reorder quantity. The requirement of my store is 2"when atp reaches minimum > stock..". If a customer orders 2 pieces of this product, a requirement is > indeed generated but with the wrong quantity --> 1. Shouldn't it be 20? > > If I choose the requirement-method "when qoh reaches minimum stock..." and > the order is completed, the generated requirement has the correct quantity. > > What's wrong with the atp requirement method? > > Thanks for your reply. > > Best Regards > Joachim > _______________________________________________ Users mailing list [hidden email] http://lists.ofbiz.org/mailman/listinfo/users |
Re: Users - requirements - atp reaches minimum stock
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In reply to this post by Schreibmaier Joachim
Jacopo,
> in my opinion the requirement method based on ATP is not correctly > implemented; I'd suggest using that based on QOH instead. > For more information see the thread "Requirements based on ATP levels" > happened earlier this month in this list. Thanks for the info about the other thread. But there isn't a solution (patch) for it. I would be happy if there is the same mechanism like in the QOH but the requirement is created after the order is created. Best Regards Joachim -- Joachim Schreibmaier _______________________________________________ Users mailing list [hidden email] http://lists.ofbiz.org/mailman/listinfo/users |
Re: Users - requirements - atp reaches minimum stock
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In reply to this post by Schreibmaier Joachim
Hi Joachim
At the moment a Product Requirement is created as soon as the order is placed but as you mention this is only for the qty ordered. You need to run an mrp from the manufacturing app which will create a requirement for the reorder qty under 'Purchase Order proposed by the mrp process'. The whole thing seems a bit buggy at the moment, I just created an order for 6 Big Gizmos (ATP: 15, QOH: 15, MIN: 10), the Product Requirement suggested I order another 6 and also the inventory details are now ATP: -6, QOH: 15. I do intend to tidy up the requirement processes but won't have the time for another month or so. Regards Scott -----Original Message----- From: [hidden email] [mailto:[hidden email]] On Behalf Of Schreibmaier Joachim Sent: Saturday, 29 April 2006 4:09 a.m. To: [hidden email] Subject: Re: [OFBiz] Users - requirements - atp reaches minimum stock Jacopo, > in my opinion the requirement method based on ATP is not correctly > implemented; I'd suggest using that based on QOH instead. > For more information see the thread "Requirements based on ATP levels" > happened earlier this month in this list. Thanks for the info about the other thread. But there isn't a solution (patch) for it. I would be happy if there is the same mechanism like in the QOH but the requirement is created after the order is created. Best Regards Joachim -- Joachim Schreibmaier _______________________________________________ Users mailing list [hidden email] http://lists.ofbiz.org/mailman/listinfo/users _______________________________________________ Users mailing list [hidden email] http://lists.ofbiz.org/mailman/listinfo/users |
Re: Users - requirements - atp reaches minimum stock
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Ignore my second paragraph, an inventory transfer i was playing with last month caused the problem, so my atp must have been 0
On 4/29/06, Scott Gray <
[hidden email]> wrote: Hi Joachim _______________________________________________ Users mailing list [hidden email] http://lists.ofbiz.org/mailman/listinfo/users |
Re: Users - requirements - atp reaches minimum stock
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I've moved this thread to the dev list because I'd like to discuss some design decision about the auto requirement creation. I've reviewed the mods Si did to the checkCreateStockRequirement (i.e. the service that creates the requirements testing QOH inventory) in rev. 5409 and there is one thing that I don't think is correct: when the inventory is issued and the qoh is already under the minimum quantity, a research for existing requirements (in "created" status) has been added to update their required qty to reflect the new issuance; I think this is wrong because we cannot know if a requirement has already been approved and maybe already transformed into a purchase order (still not received). The original idea of that service was based on a simple assumption: the minimum levels and the reorder quantity in the ProductFacility are properly set to maintain the stock levels sufficient to fulfill a 'normal' number of sales. For this reason the requirement, for the reorder qty, should be created only when the qoh reaches the minimum level: the remaining stock will be sufficient to fulfill all the incoming orders before the new purchase order (generated from the requirement) is received. This is a simple strategy but it works for many simple companies; if we need an advanced requirement strategy (that takes into account every sales order, purchase order, manufacturing order and requirements in the system) we should use the MRP instead of the simple requirement creation algorithms. So I propose to reintegrate some of the logic in rev. 5202 in the checkCreateStockRequirement service. What do you think of this? Si, what do you think? After this is done, I'll create a new service that does the same but looking at the ATP levels instead. Jacopo Scott Gray wrote: > Ignore my second paragraph, an inventory transfer i was playing with > last month caused the problem, so my atp must have been 0 > > On 4/29/06, *Scott Gray* < [hidden email] <mailto:[hidden email]>> > wrote: > > Hi Joachim > > At the moment a Product Requirement is created as soon as the order is > placed but as you mention this is only for the qty ordered. You > need to run > an mrp from the manufacturing app which will create a requirement > for the > reorder qty under 'Purchase Order proposed by the mrp process'. > > The whole thing seems a bit buggy at the moment, I just created an > order for > 6 Big Gizmos (ATP: 15, QOH: 15, MIN: 10), the Product Requirement > suggested > I order another 6 and also the inventory details are now ATP: -6, > QOH: 15. > > I do intend to tidy up the requirement processes but won't have the > time for > another month or so. > > Regards > Scott > > -----Original Message----- > From: [hidden email] > <mailto:[hidden email]> > [mailto:[hidden email] > <mailto:[hidden email]>] > On Behalf Of Schreibmaier Joachim > Sent: Saturday, 29 April 2006 4:09 a.m. > To: [hidden email] <mailto:[hidden email]> > Subject: Re: [OFBiz] Users - requirements - atp reaches minimum stock > > Jacopo, > > > in my opinion the requirement method based on ATP is not correctly > > implemented; I'd suggest using that based on QOH instead. > > > For more information see the thread "Requirements based on ATP > levels" > > happened earlier this month in this list. > > Thanks for the info about the other thread. But there isn't a solution > (patch) for it. I would be happy if there is the same mechanism like > in the > QOH but the requirement is created after the order is created. > > Best Regards > > Joachim > > -- > Joachim Schreibmaier > > > _______________________________________________ > Users mailing list > [hidden email] <mailto:[hidden email]> > http://lists.ofbiz.org/mailman/listinfo/users > <http://lists.ofbiz.org/mailman/listinfo/users> > > > > ------------------------------------------------------------------------ > > > _______________________________________________ > Users mailing list > [hidden email] > http://lists.ofbiz.org/mailman/listinfo/users _______________________________________________ Users mailing list [hidden email] http://lists.ofbiz.org/mailman/listinfo/users |
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