--- a/src/pyams_skin/resources/js/myams-plugins.js	Thu Feb 13 12:11:01 2020 +0100
+++ b/src/pyams_skin/resources/js/myams-plugins.js	Mon Jun 29 22:33:36 2020 +0200
@@ -651,7 +651,7 @@
 												   settings = ams.executeFunctionByName(data.amsSelect2InitCallback, select, settings) || settings;
 												   var plugin = select.select2(settings);
 												   ams.executeFunctionByName(data.amsSelect2AfterInitCallback, select, plugin, settings);
-												   if (select.hasClass('ordered')) {
+												   if (select.hasClass('ordered') && !select.prop('disabled')) {
 													   ams.ajax && ams.ajax.check($.fn.select2Sortable,
 																				  ams.baseURL + 'ext/jquery-select2-sortable' + ams.devext + '.js',
 																				  function() {