Hi,
I can't seem to reproduce this error on my end. Please note that in SyncBack V4 and/or later, the maximum path length for a file far exceeds the 260 characters which you've stated:
http://support.2brightsparks.com/knowledgebase/articles/213493-the-maximum-path-filename-length
Does this error occurs on every copy attempt of this file in question?
I can't seem to reproduce this error on my end. Please note that in SyncBack V4 and/or later, the maximum path length for a file far exceeds the 260 characters which you've stated:
http://support.2brightsparks.com/knowledgebase/articles/213493-the-maximum-path-filename-length
Does this error occurs on every copy attempt of this file in question?