diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 3375e9f7cc4..09225f97158 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -7379,7 +7379,11 @@ class Form
 
 		$objecttmp = null;
 
-		$InfoFieldList = explode(":", $objectdesc);
+		$InfoFieldList = explode(":", $objectdesc, 4);
+		$vartmp = $InfoFieldList[3];
+		$InfoFieldList[4] = preg_replace('/^.*:(\w*)$/', '\1', $vartmp);	// take the sort field
+		$InfoFieldList[3] = preg_replace('/:\w*$/', '', $vartmp);			// take the filter field
+
 		$classname = $InfoFieldList[0];
 		$classpath = $InfoFieldList[1];
 		$addcreatebuttonornot = empty($InfoFieldList[2]) ? 0 : $InfoFieldList[2];
diff --git a/htdocs/knowledgemanagement/class/knowledgerecord.class.php b/htdocs/knowledgemanagement/class/knowledgerecord.class.php
index b241cb2d9e9..8b1635273cd 100644
--- a/htdocs/knowledgemanagement/class/knowledgerecord.class.php
+++ b/htdocs/knowledgemanagement/class/knowledgerecord.class.php
@@ -115,7 +115,7 @@ class KnowledgeRecord extends CommonObject
 		'import_key' => array('type'=>'varchar(14)', 'label'=>'ImportId', 'enabled'=>'1', 'position'=>1000, 'notnull'=>-1, 'visible'=>-2,),
 		'model_pdf' => array('type'=>'varchar(255)', 'label'=>'Model pdf', 'enabled'=>'1', 'position'=>1010, 'notnull'=>-1, 'visible'=>0,),
 		//'url' => array('type'=>'varchar(255)', 'label'=>'URL', 'enabled'=>'1', 'position'=>55, 'notnull'=>0, 'visible'=>-1, 'csslist'=>'tdoverflow200', 'help'=>'UrlForInfoPage'),
-		'fk_c_ticket_category' => array('type'=>'integer:CTicketCategory:ticket/class/cticketcategory.class.php:0::pos', 'label'=>'SuggestedForTicketsInGroup', 'enabled'=>'$conf->ticket->enabled', 'position'=>512, 'notnull'=>0, 'visible'=>-1, 'help'=>'YouCanLinkArticleToATicketCategory', 'csslist'=>'minwidth200 tdoverflowmax250'),
+		'fk_c_ticket_category' => array('type'=>'integer:CTicketCategory:ticket/class/cticketcategory.class.php:0:(t.active:=:1):pos', 'label'=>'SuggestedForTicketsInGroup', 'enabled'=>'$conf->ticket->enabled', 'position'=>512, 'notnull'=>0, 'visible'=>-1, 'help'=>'YouCanLinkArticleToATicketCategory', 'csslist'=>'minwidth200 tdoverflowmax250'),
 		'status' => array('type'=>'integer', 'label'=>'Status', 'enabled'=>'1', 'position'=>1000, 'notnull'=>1, 'visible'=>5, 'default'=>0, 'index'=>1, 'arrayofkeyval'=>array('0'=>'Draft', '1'=>'Validated', '9'=>'Obsolete'),),
 	);
 	public $rowid;
@@ -459,7 +459,7 @@ class KnowledgeRecord extends CommonObject
 	public function delete(User $user, $notrigger = false)
 	{
 		$error = 0;
-		$sql = "DELETE FROM ".MAIN_DB_PREFIX."categorie_member WHERE fk_member = ".((int) $this->rowid);
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."categorie_knowledgemanagement WHERE fk_knowledgemanagement = ".((int) $this->id);
 		dol_syslog(get_class($this)."::delete", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if (!$resql) {
diff --git a/htdocs/knowledgemanagement/knowledgerecord_card.php b/htdocs/knowledgemanagement/knowledgerecord_card.php
index a388175dbcf..2fcf05a4393 100644
--- a/htdocs/knowledgemanagement/knowledgerecord_card.php
+++ b/htdocs/knowledgemanagement/knowledgerecord_card.php
@@ -175,10 +175,10 @@ if ($action == 'create') {
 	print '<form method="POST" action="'.$_SERVER["PHP_SELF"].'">';
 	print '<input type="hidden" name="token" value="'.newToken().'">';
 	print '<input type="hidden" name="action" value="add">';
-	if ($backtopage) {
+	if (!empty($backtopage)) {
 		print '<input type="hidden" name="backtopage" value="'.$backtopage.'">';
 	}
-	if ($backtopageforcancel) {
+	if (!empty($backtopageforcancel)) {
 		print '<input type="hidden" name="backtopageforcancel" value="'.$backtopageforcancel.'">';
 	}
 
@@ -192,7 +192,7 @@ if ($action == 'create') {
 	// Common attributes
 	include DOL_DOCUMENT_ROOT.'/core/tpl/commonfields_add.tpl.php';
 
-	if ($conf->categorie->enabled) {
+	if (!empty($conf->categorie->enabled)) {
 		$cate_arbo = $form->select_all_categories(Categorie::TYPE_KNOWLEDGEMANAGEMENT, '', 'parent', 64, 0, 1);
 
 		if (count($cate_arbo)) {
@@ -225,10 +225,10 @@ if (($id || $ref) && $action == 'edit') {
 	print '<input type="hidden" name="token" value="'.newToken().'">';
 	print '<input type="hidden" name="action" value="update">';
 	print '<input type="hidden" name="id" value="'.$object->id.'">';
-	if ($backtopage) {
+	if (!empty($backtopage)) {
 		print '<input type="hidden" name="backtopage" value="'.$backtopage.'">';
 	}
-	if ($backtopageforcancel) {
+	if (!empty($backtopageforcancel)) {
 		print '<input type="hidden" name="backtopageforcancel" value="'.$backtopageforcancel.'">';
 	}
 
@@ -239,7 +239,7 @@ if (($id || $ref) && $action == 'edit') {
 	// Common attributes
 	include DOL_DOCUMENT_ROOT.'/core/tpl/commonfields_edit.tpl.php';
 
-	if ($conf->categorie->enabled) {
+	if (!empty($conf->categorie->enabled)) {
 		$cate_arbo = $form->select_all_categories(Categorie::TYPE_KNOWLEDGEMANAGEMENT, '', 'parent', 64, 0, 1);
 
 		if (count($cate_arbo)) {