How To Fix NR054 - A subobject can be specified for precisely one existing object only

NR054 - Overview

• Message type: E = Error

• Message class: NR - Number ranges

• Message number: 054

• Message text: A subobject can be specified for precisely one existing object only

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 NR054 - A subobject can be specified for precisely one existing object only ?

  The SAP error message NR054, which states "A subobject can be specified for precisely one existing object only," typically occurs in the context of object management in SAP, particularly when dealing with master data or configuration settings. This error indicates that there is an attempt to assign a subobject (like a cost center, internal order, or similar) to more than one main object, which is not allowed.
  
  Cause:
  
  Duplicate Assignment: The most common cause of this error is that the subobject you are trying to assign is already linked to another main object. For example, if you are trying to assign a cost center to multiple profit centers or internal orders, the system will throw this error.
  Incorrect Configuration: There may be a configuration issue where the relationships between objects are not set up correctly.
  Data Integrity Issues: There could be inconsistencies in the master data that lead to this error, such as incorrect