How To Fix WW509 - The person in charge & is not known in this client

WW509 - Overview

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 509

• Message text: The person in charge & is not known in this client

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 WW509 - The person in charge & is not known in this client ?

  The SAP error message WW509 indicates that the system cannot find the person in charge (or responsible person) specified in the transaction or data entry. This typically occurs when the person in charge is not defined in the client or the relevant organizational structure.
  
  Cause:
  
  Missing Master Data: The person in charge may not be defined in the system. This could be due to missing personnel records or incorrect data entry.
  Incorrect Configuration: The configuration settings for the organizational structure may not include the person in charge.
  Client-Specific Data: The person in charge may exist in another client but not in the current client you are working in.
  Authorization Issues: The user may not have the necessary authorizations to view or access the person in charge.
  
  
  Solution:
  
  
  Check Master Data:
  
  Go to the relevant transaction (e.g., PA20 for displaying personnel records) and check if the person in charge exists in the system.
  If not, create the personnel record using