FIX missing signature library when ODT model is used
@@ -31,6 +31,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/doc.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/signature.lib.php';
/**