How To Fix GPDPEG766 - &1 -> form DISPLAY_HIERARCHY_LIST

SAP Error Message - Details

• Message type: E = Error

• Message class: GPDPEG - A&D GPD message classed used by Pegging only

• Message number: 766

• Message text: &1 -> form DISPLAY_HIERARCHY_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 GPDPEG766 - &1 -> form DISPLAY_HIERARCHY_LIST ?

  The SAP error message GPDPEG766 typically indicates an issue related to the display of a hierarchy list in the context of SAP's Project System (PS) or similar modules that utilize hierarchical data structures. The error message format suggests that it is related to a specific form or function module, in this case, DISPLAY_HIERARCHY_LIST.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Data Issues: There may be inconsistencies or missing data in the hierarchy structure that the system is trying to display.
  Authorization Problems: The user may not have the necessary authorizations to view the hierarchy data.
  Configuration Errors: There could be issues with the configuration settings related to the hierarchy display.
  System Bugs: There may be bugs or issues in the specific version of SAP you are using that affect the display of hierarchy lists.
  
  Solution:
  To resolve the GPDPEG766 error, you can try the following steps:
  
  
  Check Data Integrity:
  
  Verify that the hierarchy data is complete and correctly structured. Look for any missing nodes or inconsistencies in the hierarchy.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the hierarchy data. You can check this in the user roles and profiles.
  
  
  
  Configuration Review:
  
  Check the configuration settings related to the hierarchy display. Ensure that all necessary settings are correctly configured.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can try to debug the DISPLAY_HIERARCHY_LIST function to identify where the error is occurring.
  
  
  
  SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant context.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to hierarchy management in SAP, such as CJ20N for Project Management.
  Documentation: Review SAP documentation related to the Project System and hierarchy management for additional insights.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to diagnose and potentially resolve the GPDPEG766 error in your SAP system.