It will be in core translation file.If missing, update translation files from source code
echo '<option value="">'. __('Select', 'osclass')." ". $field['s_name'].'</option>';
echo '<option value="">'. __('Select')." ". $field['s_name'].'</option>';
oc-includes/osclass/frm/Field.form.class.phpCode: [Select] echo '<option value="">'. __('Select', 'osclass')." ". $field['s_name'].'</option>';I think there is typo and it should be:Code: [Select] echo '<option value="">'. __('Select')." ". $field['s_name'].'</option>';
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