How To Fix /MOC/UI001 - Leading object must not be deleted from the list of related objects

/MOC/UI001 - Overview

• Message type: E = Error

• Message class: /MOC/UI -

• Message number: 001

• Message text: Leading object must not be deleted from the list of related objects

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /MOC/UI001 - Leading object must not be deleted from the list of related objects ?

  The SAP error message /MOC/UI001 Leading object must not be deleted from the list of related objects typically occurs in the context of SAP's Master Object Configuration (MOC) or similar applications where objects are interrelated. This error indicates that you are trying to delete a leading object from a list of related objects, which is not allowed because the leading object serves as a primary reference for the related objects.
  
  Cause:
  
  Leading Object Definition: In the context of MOC, a leading object is a primary entity that has relationships with other objects. Deleting it can disrupt the integrity of the data model.
  Data Integrity Rules: SAP enforces data integrity rules to ensure that the relationships between objects remain intact. Deleting a leading object would violate these rules.
  User Action: The error may occur if a user attempts to remove or delete a leading object from a list of related objects in a transaction or