How To Fix 1X191 - Substructure protected. Nodes cannot be cut out

SAP Error Message - Details

• Message type: E = Error

• Message class: 1X - General hierarchy maintenance tool message

• Message number: 191

• Message text: Substructure protected. Nodes cannot be cut out

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1X191 - Substructure protected. Nodes cannot be cut out ?

  The SAP error message 1X191 ("Substructure protected. Nodes cannot be cut out") typically occurs in the context of working with hierarchical data structures, such as when you are trying to modify a structure in a way that is not allowed due to certain protections in place.
  Cause:
  This error usually arises when you attempt to delete or modify a node in a hierarchical structure (like a tree or a substructure) that is protected. The protection could be due to:
  
  Data Integrity Rules: The system may have rules in place to prevent the deletion of certain nodes to maintain data integrity.
  Dependencies: The node you are trying to modify may have dependencies or relationships with other nodes that prevent it from being altered.
  Configuration Settings: Certain configurations in the system may protect specific nodes from being modified or deleted.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Node Protection: Review the configuration settings for the hierarchical structure to determine if the node is indeed protected. You may need to consult with your SAP administrator or refer to the documentation for the specific module you are working with.
  
  
  Review Dependencies: Investigate if there are any dependencies or relationships that are preventing the modification. You may need to remove or adjust these dependencies before proceeding.
  
  
  Modify Permissions: If you have the necessary permissions, you may be able to change the protection settings for the node. This could involve adjusting user roles or permissions in the system.
  
  
  Consult Documentation: Refer to SAP documentation or help resources specific to the module you are working with. There may be specific guidelines or procedures for handling protected nodes.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal IT support team for assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to the module you are working with, as they may provide additional insights or tools for managing hierarchical structures.
  User Roles: Ensure that your user role has the necessary permissions to make changes to the structure you are working with.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.