How To Fix MPD145 - Char. &1 (class &2 type &3) has multiple values; check your entries

SAP Error Message - Details

• Message type: E = Error

• Message class: MPD - Message Class for A&D MPD

• Message number: 145

• Message text: Char. &1 (class &2 type &3) has multiple values; check your entries

What causes this issue?

For the given characteristic there is already a value assigned on the
<ZK>Effectivity </>tab of the current document, and you are trying to
copy this characteristic with a different value.

System Response

As it is possible to maintain multiple values for the characteristics, a
new record will be created for the new value, and the old record(s) will
also be kept.

How to fix this error?

Check the <ZK>Effectivity</> tab for the new records if you do not want
to maintain multiple values for the characteristics. Delete the records
you do not want to use.

Procedure for System Administrators

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 MPD145 - Char. &1 (class &2 type &3) has multiple values; check your entries ?

  The SAP error message MPD145 indicates that a characteristic (denoted as &1) within a class (denoted as &2) and of a specific type (denoted as &3) has multiple values assigned to it. This typically occurs in the context of classification in SAP, where a characteristic is expected to have a single value but has been assigned multiple values instead.
  Cause:
  
  Multiple Assignments: The characteristic in question has been assigned multiple values in the classification system, which is not allowed for certain operations.
  Incorrect Data Entry: During the data entry process, the user may have inadvertently selected multiple values for a characteristic that should only have one.
  Configuration Issues: There may be issues with how the characteristics are configured in the classification system, leading to unexpected behavior.
  
  Solution:
  
  Check Entries: Review the entries for the characteristic in question. Ensure that only one value is assigned to the characteristic for the specific class and type.
  Modify the Classification: If multiple values are present, you will need to modify the classification to ensure that only a single value is assigned. This can typically be done in the classification view of the material or object in question.
  Review Characteristic Settings: Check the settings for the characteristic in the classification system to ensure that it is configured correctly. If it is intended to allow multiple values, you may need to adjust the configuration.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to manage characteristics and classes effectively.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CL02 (Change Class) or CL03 (Display Class) to manage classes and characteristics.
  Classification System: Understanding the classification system in SAP is crucial. Characteristics are attributes that describe the properties of a class, and they can be used in various applications, including material management and production planning.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message or provide additional troubleshooting steps.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in classification and material management.