How To Fix /SAPAPO/RSP01009 - Error accessing the where-used list

/SAPAPO/RSP01009 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RSP01 -

• Message number: 009

• Message text: Error accessing the where-used list

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 /SAPAPO/RSP01009 - Error accessing the where-used list ?

  The SAP error message /SAPAPO/RSP01009 indicates that there is an issue accessing the "where-used list" in the SAP Advanced Planning and Optimization (APO) module. This error can occur for various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to access the where-used list.
  Data Inconsistencies: There may be inconsistencies or missing data in the APO master data that prevent the system from generating the where-used list.
  Technical Issues: There could be technical problems such as database connectivity issues, system performance problems, or temporary system outages.
  
  Configuration Issues: Incorrect configuration settings in the APO system can lead to this error.
  Missing or Incomplete Master Data: If the relevant master data (like materials, resources, etc.) is missing or incomplete, it can cause this error.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the where-used list. This can be done by checking