Set messages for PO creation

You can set certain message as either warning or error during PO creation based on your requirement. You may follow my below screen for some steps.

Go to tcode SPRO.

Select your message and you can set it either warning or error.

Set fix vendor for PR or PO creation

You need to maintain source list if you want to set fix vendor when during PR or PO creation. Go to tcode ME01 and maintain the source list for the material. You can have multiple vendor list but you only can have 1 fix vendor.

Set mandatory fields for ME21N screen.

When there is a requirement that you need to set certain fields as mandatory inside the PO, you may follow below screen to do it.

Choose ME21N to set the field that you want to make it as mandatory.

How to setup function authorization for PO creation screen

If you want to restrict certain fields from editing in ME21N, ME22N screen, you may follow the below steps.

Step1:

Step2:

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Step4:
Disable infor record from updating in ME22N.

Step5:
Create new parameter value using tcode: OMET


Path: Material Management -> Purchasing-> Authorization Management

Step6:
Create new function authorization.

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Step9: