How To Fix GK501 - Hierarchy & could not be fully exploded

SAP Error Message - Details

• Message type: E = Error

• Message class: GK - Messages for SAP Consolidation

• Message number: 501

• Message text: Hierarchy & could not be fully exploded

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 GK501 - Hierarchy & could not be fully exploded ?

  The SAP error message GK501, which states "Hierarchy & could not be fully exploded," typically occurs in the context of SAP's Product Structure Management or when dealing with Bill of Materials (BOM) in the context of production planning and control. This error indicates that the system was unable to fully explode a hierarchy, which means it could not retrieve all the necessary components or sub-components of a BOM or a similar structure.
  Causes:
  
  Missing Components: Some components in the BOM may not be defined or may be missing in the system.
  Incorrect BOM Structure: The BOM may have an incorrect structure or configuration that prevents it from being fully exploded.
  Data Inconsistencies: There may be inconsistencies in the master data, such as incorrect material numbers or missing material master records.
  Authorization Issues: The user may not have the necessary authorizations to access certain components or data.
  Hierarchy Levels: The hierarchy may have levels that are not properly defined or linked, leading to incomplete data retrieval.
  
  Solutions:
  
  Check BOM Configuration: Review the BOM configuration to ensure that all components are correctly defined and linked.
  Verify Material Master Data: Ensure that all materials referenced in the BOM exist in the material master and are correctly configured.
  Check for Missing Components: Identify any missing components in the BOM and add them as necessary.
  Review Authorizations: Ensure that the user has the necessary authorizations to access all components of the BOM.
  Use Transaction Codes: Utilize transaction codes like CS03 (Display BOM) or CS12 (BOM Comparison) to analyze the BOM structure and identify issues.
  Hierarchy Maintenance: If applicable, check the hierarchy maintenance settings to ensure that all levels are properly defined.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) for managing BOMs.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for detailed information on BOM management and hierarchy structures.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the GK501 error in SAP.