How To Fix CL166 - Class type & table &: engin. change mgmt not allowed for classification


CL166 - Overview

  • Message type: E = Error

  • Message class: CL - Classification

  • Message number: 166

  • Message text: Class type & table &: engin. change mgmt not allowed for classification

  • Show details Hide details
  • What causes this issue?

    Class type &V1& allows classification of different object types. To
    activate engineering change management for classification, you must
    activate it for the class type and for the individual object types of
    the class type. Engineering change management is not activated for
    object type &V2&. Deleting a class or the characteristics of a class
    affects classifications, so engineering change management must be
    activated for all object types of the class type.

    System Response

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

    How to fix this error?

    Make your change without a change number, or check the settings for the
    class type and its object types in Customizing for the classification
    system, in step <LS>Maintain classifiable object types</>.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message CL166 - Class type & table &: engin. change mgmt not allowed for classification ?
    The SAP error message CL166 indicates that there is an issue related to the classification of a material or object in the SAP system, specifically concerning the engineering change management (ECM) functionality. This error typically arises when you attempt to perform an operation that is not permitted due to the settings or status of the classification system.
    
    Cause: Engineering Change Management (ECM) Settings: The error often occurs when the ECM is not allowed for the specific class type or object you are trying to classify. This could be due to configuration settings in the classification system. Class Type Restrictions: Certain class types may have restrictions that prevent changes or classifications when ECM is active. Object Status: The object you are trying to classify may be in a status that does not allow changes or classifications. Authorization Issues: There may be authorization issues preventing the user from making changes to the classification.
    Solution: Check Class Type Configuration: Review

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