I detected an error in es-ES.com_flexicontent.ini language file
string FLEXI_CAT_PARAM_OVERRIDE_ORDER_DETAILS_INHERIT missing "/" in text:
...<b>vacíos<b> ni <b>de Uso Global<b>
it have to be <b>vacíos</b> ni <b>de Uso Global</b>
Now it is correct and you can rebuild package
Thanks