SAP Note 623284 - System does not allow MPN to be same as another material no.

Component : Master Data -

Solution : https://service.sap.com/sap/support/notes/623284 (SAP Service marketplace login required)

Summary :
In SAP transaction MM01, entering a numeric manufacturer part number (MPN) identical to an existing material's internal number causes an error due to a programming issue. This issue is addressed in several industry add-ons including mySAP Discrete Industry, Aerospace & Defense, Engineering & Construction, HiTech, Automotive, and Software solutions. A correction has been developed and will be included in the upcoming HotPackage release. Customers needing earlier resolution can apply advance corrections provided with this note.

Key words :
mysap software solution code correction, withfollowing industry add ons, mysap discrete industry solution, internal correction system, mysap aeropspace & defense, mysap engineering & construction, note make surethat, system givesan error, manufacturer part number, mysap hitech

Related Notes :

870888Material number same as existing MPN is allowed for creation
769906Material number same as existing MPN is allowed for creation
726465Warning "MPN not unique" not displayed in Material Master