How To Fix /SAPAPO/RSP_INFO251 - Error generating tree control.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP_INFO -

• Message number: 251

• Message text: Error generating tree control.

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/RSP_INFO251 - Error generating tree control. ?

  The SAP error message /SAPAPO/RSP_INFO251 typically indicates an issue with generating a tree control in the SAP Advanced Planning and Optimization (APO) module. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying database.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that the tree control is trying to display.
  Configuration Issues: Incorrect settings in the APO configuration can lead to problems when generating tree controls.
  Authorization Issues: The user may not have the necessary authorizations to access certain data or functions.
  Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may fail to generate the tree control.
  Software Bugs: There may be bugs in the version of SAP APO you are using that affect the generation of tree controls.
  
  Solutions:
  
  
  Check Data Consistency:
  
  Use transaction codes like /SAPAPO/TS to check for inconsistencies in master data.
  Ensure that all necessary data is correctly maintained and that there are no missing or corrupted entries.
  
  
  
  Review Configuration:
  
  Verify the configuration settings in the APO system. Ensure that all necessary settings for the tree control are correctly configured.
  Check the settings in the relevant planning books and data views.
  
  
  
  User Authorizations:
  
  Ensure that the user encountering the error has the necessary authorizations to access the data and functions related to the tree control.
  Review the user roles and profiles to confirm that they include the required permissions.
  
  
  
  System Performance:
  
  Monitor system performance and check for any bottlenecks. If the system is slow, consider optimizing performance or scheduling heavy jobs during off-peak hours.
  Check for any background jobs that may be consuming excessive resources.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates available that resolve the issue.
  If the problem persists, consider reaching out to SAP support for further assistance.
  
  
  
  Debugging:
  
  If you have access to development tools, you can debug the program to identify the exact point of failure when generating the tree control.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/TS, /SAPAPO/SDP94, and others that may help in diagnosing the issue.
  SAP Documentation: Review the official SAP documentation for APO to understand the expected behavior of tree controls and any prerequisites for their proper functioning.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.