How To Fix UD418 - Assigning & to & would result in a cycle, so not possible

UD418 - Overview

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 418

• Message text: Assigning & to & would result in a cycle, so not possible

What causes this issue?

You tried to assign data model &V2& to data model &V1&. However, &V1&
already contains data model &V2&. Consequently, this assignment would
result in a recursion that is semantically incorrect and thus not
allowed.

System Response

The operation is not performed.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD418 - Assigning & to & would result in a cycle, so not possible ?

  The SAP error message UD418, which states "Assigning & to & would result in a cycle, so not possible," typically occurs in the context of assignments in SAP, such as when dealing with organizational units, cost centers, or other hierarchical structures. This error indicates that the system has detected a potential circular reference in the assignment you are trying to make.
  
  Cause:
  The error arises when you attempt to assign an object (like a cost center, profit center, or organizational unit) to another object in a way that would create a loop or cycle. For example, if you try to assign Cost Center A to Cost Center B, and Cost Center B is already assigned to Cost Center A, this would create a cycle, which is not allowed in SAP.
  
  Solution:
  To resolve this error, you should:
  
  
  Review Assignments: Check the current assignments of the objects involved. Ensure that the assignment you are trying to