How To Fix RESCSU053 - SU is subordinate to other SUs (number: &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: RESCSU - Error Texts for Settlement Unit

• Message number: 053

• Message text: SU is subordinate to other SUs (number: &1)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RESCSU053 - SU is subordinate to other SUs (number: &1) ?

  The SAP error message RESCSU053 indicates that a subordinate unit (SU) is being referenced in a way that is not allowed because it is already subordinate to another system unit (SU). This typically occurs in the context of SAP's Resource Management or System Administration, where hierarchical relationships between system units are defined.
  Cause:
  The error occurs when you attempt to assign or manipulate a subordinate unit that is already linked to another parent unit. This can happen in various scenarios, such as:
  
  Incorrect Hierarchical Structure: The system is trying to create or modify a relationship that violates the existing hierarchy.
  Data Entry Errors: Mistakes in data entry or configuration can lead to attempts to assign a subordinate unit incorrectly.
  System Configuration Issues: There may be issues with how the system units are configured in the SAP system.
  
  Solution:
  To resolve the RESCSU053 error, you can follow these steps:
  
  
  Check the Hierarchy: Review the current hierarchy of system units to understand the existing relationships. You can do this by navigating to the relevant transaction or using reports that display the structure of system units.
  
  
  Identify the Parent Unit: Determine which parent unit the subordinate unit is currently linked to. This will help you understand why the operation you are trying to perform is not allowed.
  
  
  Modify Relationships: If you need to change the relationship of the subordinate unit, you may need to first remove it from its current parent unit before assigning it to a new one. Ensure that this change aligns with your organizational structure and policies.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific instructions on managing system units and their relationships.
  
  
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for assistance. They may have additional tools or insights to help you troubleshoot the problem.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with system units, such as SUC1 for creating system units or SUC2 for changing them.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or patches.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to system units, as restrictions may also lead to errors.
  
  By following these steps, you should be able to identify the cause of the RESCSU053 error and implement a solution to resolve it.