Message type: E = Error
Message class: MSG_CL_ER - Message Class for Enterprise Registry
Message number: 164
Message text: Invalid update: &1 may not be changed
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MSG_CL_ER164
- Invalid update: &1 may not be changed ?The SAP error message MSG_CL_ER164 with the description "Invalid update: &1 may not be changed" typically occurs in the context of change requests or updates in SAP systems, particularly when dealing with classification data or master data. This error indicates that the system is trying to modify a field or attribute that is not allowed to be changed due to certain constraints or settings.
Cause: Field Restrictions: The field or attribute you are trying to change is set as non-changeable in the system configuration. This could be due to the field being part of a classification system where certain attributes are locked after creation. Status of the Object: The object you are trying to update may be in a status that does not allow changes. For example, it could be in a completed or archived state. Authorization Issues: The user may not have the necessary authorizations to make changes to the specified field or
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