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Scheduling agreement, unnecessary delivery schedule lines


We use Scheduling agreements for purchasing spare parts. The MRP run checks the warehouse requirements and creates delivery schedule line to scheduling agreement.

Now the MRP run creates unnecessary delivery schedule lines to scheduling agreement if the earlier created delivery schedule line's delivery date has been changed manually.

For example,

Today the MRP run finds requirement for one article and creates the delivery schedule line, where delivery date is 2.9.2008 (determined from articles basic data).

The Vendor confirms the delivery date as 3.10.2008 and the purchaser changes manually (transaction ME38) the delivery date to delivery schedule line accordingly and prints the created message.

The next MRP run creates new delivery schedule line, where delivery date is again 2.9.2008.

now there are two open delivery schedule lines for this article with delivery dates 3.10.2008 and 2.9.2008.

Why the MRP run does not notice the existing delivery schedule line with the new delivery date 3.10.2008?

we have changed delivery dates manually several years and this has never happened before.

could you please help me to resolve this.

Thanks in advance,


Former Member
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