How To Fix KG550 - Value "&" is not allowed for characteristic "&"

KG550 - Overview

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 550

• Message text: Value "&" is not allowed for characteristic "&"

What causes this issue?

You have selected an invalid characteristic value.
In order to ensure that the plan structure is consistent, the system
requires that all the nodes that lie directly below the same node (at
the same level) represent different characteristic values of the same
characteristic.
In addition, a characteristic can only occur at one level of one branch
of the hierarchy.

System Response

This characteristic value is not allowed.

How to fix this error?

Check your structure again and, if necessary, select a different
characteristic value.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG550 - Value "&" is not allowed for characteristic "&" ?

  The SAP error message KG550 indicates that a specific value is not allowed for a characteristic in the context of a planning or controlling scenario, typically related to the use of characteristics in SAP's CO-PA (Controlling-Profitability Analysis) or other planning modules.
  
  Cause:
  
  
  Invalid Value: The value you are trying to assign to a characteristic is not defined or allowed in the system. This could be due to:
  
  The value not being part of the allowed set of values for that characteristic.
  The characteristic being restricted to certain values based on configuration settings.
  
  
  
  Master Data Issues: The characteristic may not have been properly set up in the master data, or the value may not exist in the master data.
  
  
  Configuration Settings: The configuration for the characteristic may not allow the value you are trying to use. This could be due to settings in the characteristic definition or in the planning layout.
  
  
  
  Solution:
  
  
  Check Allowed Values: Verify the allowed values