Message in French (Français)
        Impossible de convertir la chaîne '<var>X</var>' en octets UTF-8 : <var>Y</var>
Unlocalized message
        Can't convert string '<var>X</var>' into UTF-8 bytes: <var>Y</var>
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Impossible de convertir la chaîne '<var>X</var>' en octets UTF-8 : <var>Y</var>

Can't convert string '<var>X</var>' into UTF-8 bytes: <var>Y</var>
Search by Google