If you have not it will ask you to enter valid data

If you have not, it will ask you to enter valid data into each field, ONE BY ONE, through messages. After
entering data into the designated field, you must PRESS ENTER AGAIN to move on to check the system
for more messages.
Once you have filled in all the required information, the rest of the fields in the screen will unlock. Then
you can edit the fields as you could before you initially clicked enter and received the messages.
In this case, the other fields may never have locked but it is important to understand this concept for
later exercises.
Chapter 01: General Notes and Cautions Page 82 of 103 © 2019 Epistemy Press, LLC.

You want to use this technique before you save EVERY DOCUMENT.
It is extremely important to NOT proceed and save a document if there are errors in the document. A
faulty document will create more errors and a lot more work for yourself in later exercises.
 Notice that the system shows an error message which, in this case simply tells you exactly what you need
to input into the system to continue.
 If you need more information or want more information about a message, you can double click on the
message to open the help guide.
Step: 1.1.84: Double click on the error message.
48: What is the message number?
SAP telling you what to do 
Step: 1.1.85: To resolve the error message “Enter Purch. Group” , enter the following information:
Attribute Description Data Value
Purch. Group Key for a buyer or a group, who is/are responsible for certain
purchasing activities
N00
Step: 1.1.86: Click Enter .
Step: 1.1.87: When you receive the error message “Enter a vendor” enter the following information:
Attribute Description Data Value
Chapter 01: General Notes and Cautions Page 83 of 103 © 2019 Epistemy Press, LLC.

Vendor Number and name of the external supplier or supplying plant from which
the materials are to be procured.
101000
Step: 1.1.88: Click Enter .
 Notice here how it does not produce another error message and you are now free to edit the rest of the
fields as you wish. This means you have entered all the required data.
Step: 1.1.89: In the “Create Purchase Order” screen, enter the following information:
Step: 1.1.90: If the “Item Overview” section is not open, you must open it and enter this data there.
Attribute Description Data Value
Material The goods that are the subject of business activity EPAD1000
PO Quantity Quantity ordered by the buyer, to be supplied by the vendor 1
Delivery Date Date on which the goods are to be delivered or the service is to be
performed.
Today’s Date
Net Price Price after taking all vendor surcharges and discounts into account
per unit
37.50
Plnt Plant in which you produce or for which you wish to produce
materials or services
MI00
Chapter 01: General Notes and Cautions Page 84 of 103 © 2019 Epistemy Press, LLC.

Step: 1.1.91: Click Enter .
 You should notice a warning message saying, “Can delivery date be met?” The system realizes that the
date you entered is today’s date, and it knows it normally takes more time than that to receive materials.
This message serves the purpose of warning you about that fact, but since it is just a warning, you may
ignore it and continue.