You expect system to stop changes made to purchase order quantity if it exceeds purchase request quantity.
why no message or warning or error when there is deviation in purchase order details compared to Purchase request details.
SAP Business ByDesign
This is expected system behavior as its behaving as developed.
A.You make use to the approvals in Purchase order to stop ordering such orders.
B.This feature is not supported in the current release of SAP Business ByDesign.
1.If you are a partner: you can help develop this using SDK or please use email@example.com or the Partnerfinder .
2.If you are a customer: if you already have a partner ,ask them to help develop it for you through SDK.
a. Contact your the Account Executive
b. Check the link https://www.sap.com/uk/services/advisory-development/application-development.html#contact-us
3. Alternatively you may check the Customer Influence Forum to submit an idea: https://influence.sap.com/sap/ino/#campaign/886
purchase order quantity is greater than purchase request quantity, , KBA , SRD-SRM-PRO , Purchase Requests and Orders , AP-PRP , Purchase Request Processing , Problem