How To Fix 63255 - Characteristics & in class & are mutually exclusive & &

SAP Error Message - Details

• Message type: E = Error

• Message class: 63 - Messages for Real Estate Management

• Message number: 255

• Message text: Characteristics & in class & are mutually exclusive & &

What causes this issue?

You have selected at least two fixtures and fittings characteristics
that exclude each other.
These characteristics are &v1&.
In Customizing for the representative lists of rents, groups are
defined in the characteristic class "&v2& &v3&".
A maximum of one characteristic can be assigned for each group. You
have assigned more than one characteristic from the group &v4&.

System Response

Characteristic assignment is not correct.

How to fix this error?

If this message appears during a test run (after choosing 'Save'),
cancel the test run by pressing F12 (Cancel).
Delete either the assignment indicator or the number of points for one
of the characteristics &v1&.
In the characteristics class detail screen, you can use the function
"Display all" to display the groups defined in Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 63255 - Characteristics & in class & are mutually exclusive & & ?

  The SAP error message "63255 Characteristics & in class & are mutually exclusive" typically occurs in the context of classification in SAP, particularly when dealing with characteristics and classes in the classification system. This error indicates that the characteristics you are trying to assign to a class are mutually exclusive, meaning that they cannot be used together in the same instance.
  Cause:
  
  Mutually Exclusive Characteristics: The characteristics you are trying to assign to a class are defined in such a way that they cannot coexist. For example, if you have two characteristics that are defined to be mutually exclusive (like "Color: Red" and "Color: Blue"), you cannot assign both to the same class.
  Configuration Issues: There may be a configuration issue in the classification system where the characteristics have been incorrectly set up to be mutually exclusive.
  Incorrect Data Entry: The error may arise from incorrect data entry or selection of characteristics when creating or modifying a classification.
  
  Solution:
  
  Review Characteristics: Check the characteristics that you are trying to assign to the class. Identify which ones are mutually exclusive and ensure that you are not trying to assign them together.
  Modify Class Configuration: If necessary, modify the configuration of the class or the characteristics to ensure that they are not set as mutually exclusive if they should be allowed to coexist.
  Consult Documentation: Refer to the SAP documentation or classification guidelines to understand the relationships between the characteristics and ensure that you are following the correct procedures.
  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.
  
  Related Information:
  
  Classification System: The classification system in SAP is used to categorize materials, products, or other objects using characteristics and classes.
  Characteristics: These are attributes that describe the properties of a class. They can be defined as single-value or multiple-value characteristics.
  Classes: Classes are used to group similar characteristics together. Each class can have multiple characteristics associated with it.
  Transaction Codes: You may use transaction codes like CL02 (Change Class) or CL03 (Display Class) to review and modify class configurations.
  
  By addressing the mutually exclusive characteristics and ensuring proper configuration, you should be able to resolve the error message 63255 in SAP.