How To Fix KM511 - Enter the purchase order number without leading zeros

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 511

• Message text: Enter the purchase order number without leading zeros

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message KM511 - Enter the purchase order number without leading zeros ?

  The SAP error message KM511, which states "Enter the purchase order number without leading zeros," typically occurs when a user attempts to enter a purchase order (PO) number that includes leading zeros. This is a common issue in systems where the format of the PO number is strictly defined.
  Cause:
  The error arises because the system expects the purchase order number to be entered in a specific format, which does not allow leading zeros. Leading zeros can cause the system to misinterpret the input, leading to validation errors.
  Solution:
  To resolve this error, you should:
  
  
  Remove Leading Zeros: When entering the purchase order number, ensure that you do not include any leading zeros. For example, if the PO number is "00012345", you should enter it as "12345".
  
  
  Check Input Format: Make sure that you are following the correct input format as defined by your organization's SAP configuration. If you are unsure about the correct format, consult your SAP documentation or reach out to your SAP administrator.
  
  
  Use Correct Data Entry Methods: If you are copying and pasting the PO number from another source, ensure that the formatting does not include leading zeros. Sometimes, copying from spreadsheets or other documents can inadvertently include formatting that adds leading zeros.
  
  
  Validation: After entering the PO number without leading zeros, validate the entry to ensure that it is recognized by the system.
  
  
  Related Information:
  
  
  SAP Configuration: The handling of purchase order numbers, including the rules around leading zeros, can be configured in the SAP system. If this is a recurring issue, it may be worth discussing with your SAP configuration team to see if adjustments can be made to improve user experience.
  
  
  User Training: Providing training or documentation for users on how to correctly enter purchase order numbers can help reduce the frequency of this error.
  
  
  Error Handling: If users frequently encounter this error, consider implementing error handling procedures or user prompts that remind them to check for leading zeros before submission.
  
  
  By following these steps, you should be able to resolve the KM511 error and successfully enter the purchase order number in SAP.