Diagnosis
*** similar to message G0 887 in R/3 - the link has changed ***
Master data and Customizing settings for characteristic '&V1&' arebeing uploaded. Value '&V2&' already exists.
According to the update mode in the uploadmethod, any existing settings may not be modified.

System Response
V1 v2 will thus not be changed.

Procedure
Make sure that you intended to retain the existing settings. Ifpossible, try to avoid putting objects like this in the upload file.