Why an "error file" message occurred during an AOA backup project attempt ?

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The goal of this article is is to explain an issue meet on Ecostruxure Augmented Operator Advisor during a project builder backup attempt.

This article is applicable for Ecostruxure Augmented Operator Advisor builder

The error message displayed is :

This message may occured when some file names used double-byte characters (Chinese, Japanese or Russian languages).

Double-bytes charaters may exceed the maximum name lenght and raise this error message.