diff --git a/htdocs/core/class/html.formprojet.class.php b/htdocs/core/class/html.formprojet.class.php
index a0e74c5cdd5..e05931f437d 100644
--- a/htdocs/core/class/html.formprojet.class.php
+++ b/htdocs/core/class/html.formprojet.class.php
@@ -39,6 +39,9 @@ class FormProjets
 	 */
 	public $error = '';
 
+	public $errors = array();
+
+
 	public $nboftasks;
 
 
@@ -622,6 +625,8 @@ class FormProjets
 		if ($resql) {
 			$num = $this->db->num_rows($resql);
 			$i = 0;
+			$sellist = '';
+
 			if ($num > 0) {
 				$sellist = '<select class="flat elementselect css'.$table_element.($morecss ? ' '.$morecss : '').'" name="elementselect">';
 				$sellist .= '<option value="-1"'.($placeholder ? ' class="optiongrey"' : '').'>'.$placeholder.'</option>';
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 81f830d6456..54cb2a1e57f 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -1423,13 +1423,17 @@ function dol_string_nounprintableascii($str, $removetabcrlf = 1)
 /**
  *  Returns text escaped for inclusion into javascript code
  *
- *  @param      string		$stringtoescape		String to escape
- *  @param		int		$mode				0=Escape also ' and " into ', 1=Escape ' but not " for usage into 'string', 2=Escape " but not ' for usage into "string", 3=Escape ' and " with \
- *  @param		int		$noescapebackslashn	0=Escape also \n. 1=Do not escape \n.
- *  @return     string     		 				Escaped string. Both ' and " are escaped into ' if they are escaped.
+ *  @param      string	$stringtoescape			String to escape
+ *  @param		int		$mode					0=Escape also ' and " into ', 1=Escape ' but not " for usage into 'string', 2=Escape " but not ' for usage into "string", 3=Escape ' and " with \
+ *  @param		int		$noescapebackslashn		0=Escape also \n. 1=Do not escape \n.
+ *  @return     string   		 				Escaped string. Both ' and " are escaped into ' if they are escaped.
  */
 function dol_escape_js($stringtoescape, $mode = 0, $noescapebackslashn = 0)
 {
+	if (is_null($stringtoescape)) {
+		return '';
+	}
+
 	// escape quotes and backslashes, newlines, etc.
 	$substitjs = array("&#039;"=>"\\'", "\r"=>'\\r');
 	//$substitjs['</']='<\/';	// We removed this. Should be useless.
@@ -11891,8 +11895,8 @@ function show_actions_messaging($conf, $langs, $db, $filterobj, $objcon = '', $n
 
 						'contact_id'=>$obj->fk_contact,
 						'socpeopleassigned' => $contactaction->socpeopleassigned,
-						'lastname'=>$obj->lastname,
-						'firstname'=>$obj->firstname,
+						'lastname' => (empty($obj->lastname) ? '' : $obj->lastname),
+						'firstname' => (empty($obj->firstname) ? '' : $obj->firstname),
 						'fk_element'=>$obj->fk_element,
 						'elementtype'=>$obj->elementtype,
 						// Type of event
diff --git a/htdocs/core/lib/security.lib.php b/htdocs/core/lib/security.lib.php
index 5f521fd63de..dfb114576a3 100644
--- a/htdocs/core/lib/security.lib.php
+++ b/htdocs/core/lib/security.lib.php
@@ -344,7 +344,9 @@ function restrictedArea(User $user, $features, $object = 0, $tableandshare = '',
 	} else {
 		$objectid = $object;		// $objectid can be X or 'X,Y,Z'
 	}
-	$objectid = preg_replace('/[^0-9\.\,]/', '', $objectid);	// For the case value is coming from a non sanitized user input
+	if ($objectid) {
+		$objectid = preg_replace('/[^0-9\.\,]/', '', $objectid);	// For the case value is coming from a non sanitized user input
+	}
 
 	//dol_syslog("functions.lib:restrictedArea $feature, $objectid, $dbtablename, $feature2, $dbt_socfield, $dbt_select, $isdraft");
 	//print "user_id=".$user->id.", features=".$features.", feature2=".$feature2.", objectid=".$objectid;
diff --git a/htdocs/core/modules/modTicket.class.php b/htdocs/core/modules/modTicket.class.php
index c8d2d8d5a4f..1028706ed6b 100644
--- a/htdocs/core/modules/modTicket.class.php
+++ b/htdocs/core/modules/modTicket.class.php
@@ -156,7 +156,7 @@ class modTicket extends DolibarrModules
 			'tabfieldvalue' => array("code,label,pos,use_default", "code,label,pos,use_default", "code,label,pos,use_default,public,fk_parent", "code,label,pos,use_default"),
 			'tabfieldinsert' => array("code,label,pos,use_default", "code,label,pos,use_default", "code,label,pos,use_default,public,fk_parent", "code,label,pos,use_default"),
 			'tabrowid' => array("rowid", "rowid", "rowid", "rowid"),
-			'tabcond' => array($conf->ticket->enabled, $conf->ticket->enabled, $conf->ticket->enabled, $conf->ticket->enabled && !empty($conf->global->TICKET_ENABLE_RESOLUTION)),
+			'tabcond' => array($conf->ticket->enabled, $conf->ticket->enabled, $conf->ticket->enabled, $conf->ticket->enabled && getDolGlobalString('TICKET_ENABLE_RESOLUTION')),
 			'tabhelp' => array(
 				array('code'=>$langs->trans("EnterAnyCode"), 'use_default'=>$langs->trans("Enter0or1")),
 				array('code'=>$langs->trans("EnterAnyCode"), 'use_default'=>$langs->trans("Enter0or1")),
diff --git a/htdocs/projet/card.php b/htdocs/projet/card.php
index 936633508fa..501cdcc5f4b 100644
--- a/htdocs/projet/card.php
+++ b/htdocs/projet/card.php
@@ -1299,7 +1299,7 @@ if ($action == 'create' && $user->rights->projet->creer) {
 
 		// Budget
 		print '<tr><td>'.$langs->trans("Budget").'</td><td>';
-		if (strcmp($object->budget_amount, '')) {
+		if (!is_null($object->budget_amount) && strcmp($object->budget_amount, '')) {
 			print '<span class="amount">'.price($object->budget_amount, 0, $langs, 1, 0, 0, $conf->currency).'</span>';
 		}
 		print '</td></tr>';
@@ -1443,9 +1443,11 @@ if ($action == 'create' && $user->rights->projet->creer) {
         </script>';
 	}
 
+
 	/*
 	 * Actions Buttons
 	 */
+
 	print '<div class="tabsAction">';
 	$parameters = array();
 	$reshook = $hookmanager->executeHooks('addMoreActionsButtons', $parameters, $object, $action); // Note that $action and $object may have been
diff --git a/htdocs/projet/comment.php b/htdocs/projet/comment.php
index 024dce3abc9..7103916cdb4 100644
--- a/htdocs/projet/comment.php
+++ b/htdocs/projet/comment.php
@@ -136,7 +136,7 @@ print '</td></tr>';
 
 // Budget
 print '<tr><td>'.$langs->trans("Budget").'</td><td>';
-if (strcmp($object->budget_amount, '')) {
+if (!is_null($object->budget_amount) && strcmp($object->budget_amount, '')) {
 	print price($object->budget_amount, '', $langs, 1, 0, 0, $conf->currency);
 }
 print '</td></tr>';
diff --git a/htdocs/projet/contact.php b/htdocs/projet/contact.php
index f6827fc19b3..2174a02c347 100644
--- a/htdocs/projet/contact.php
+++ b/htdocs/projet/contact.php
@@ -387,7 +387,7 @@ if ($id > 0 || !empty($ref)) {
 
 	// Budget
 	print '<tr><td>'.$langs->trans("Budget").'</td><td>';
-	if (strcmp($object->budget_amount, '')) {
+	if (!is_null($object->budget_amount) && strcmp($object->budget_amount, '')) {
 		print '<span class="amount">'.price($object->budget_amount, '', $langs, 0, 0, 0, $conf->currency).'</span>';
 	}
 	print '</td></tr>';
diff --git a/htdocs/projet/element.php b/htdocs/projet/element.php
index 7bad7fd493d..8f548685631 100644
--- a/htdocs/projet/element.php
+++ b/htdocs/projet/element.php
@@ -291,14 +291,14 @@ if (!empty($conf->global->PROJECT_USE_OPPORTUNITIES)) {
 
 	// Opportunity percent
 	print '<tr><td>'.$langs->trans("OpportunityProbability").'</td><td>';
-	if (strcmp($object->opp_percent, '')) {
+	if (!is_null($object->opp_percent) && strcmp($object->opp_percent, '')) {
 		print price($object->opp_percent, '', $langs, 1, 0).' %';
 	}
 	print '</td></tr>';
 
 	// Opportunity Amount
 	print '<tr><td>'.$langs->trans("OpportunityAmount").'</td><td>';
-	if (strcmp($object->opp_amount, '')) {
+	if (!is_null($object->opp_amount) && strcmp($object->opp_amount, '')) {
 		print '<span class="amount">'.price($object->opp_amount, '', $langs, 1, 0, 0, $conf->currency).'</span>';
 		if (strcmp($object->opp_percent, '')) {
 			print ' &nbsp; &nbsp; &nbsp; <span title="'.dol_escape_htmltag($langs->trans('OpportunityWeightedAmount')).'"><span class="opacitymedium">'.$langs->trans("Weighted").'</span>: <span class="amount">'.price($object->opp_amount * $object->opp_percent / 100, 0, $langs, 1, 0, -1, $conf->currency).'</span></span>';
@@ -309,7 +309,7 @@ if (!empty($conf->global->PROJECT_USE_OPPORTUNITIES)) {
 
 // Budget
 print '<tr><td>'.$langs->trans("Budget").'</td><td>';
-if (strcmp($object->budget_amount, '')) {
+if (!is_null($object->budget_amount) && strcmp($object->budget_amount, '')) {
 	print '<span class="amount">'.price($object->budget_amount, '', $langs, 1, 0, 0, $conf->currency).'</span>';
 }
 print '</td></tr>';
@@ -657,7 +657,6 @@ if (!empty($conf->global->PROJECT_ELEMENTS_FOR_MINUS_MARGIN)) {
 }
 
 
-
 $parameters = array('listofreferent'=>$listofreferent);
 $resHook = $hookmanager->executeHooks('completeListOfReferent', $parameters, $object, $action);
 
@@ -693,7 +692,7 @@ if (!$showdatefilter) {
 	print '<div class="center centpercent">';
 	print '<form action="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'" method="POST">';
 	print '<input type="hidden" name="token" value="'.newToken().'">';
-	print '<input type="hidden" name="tablename" value="'.$tablename.'">';
+	print '<input type="hidden" name="tablename" value="'.(empty($tablename) ? '' : $tablename).'">';
 	print '<input type="hidden" name="action" value="view">';
 	print '<div class="inline-block">';
 	print $form->selectDate($dates, 'dates', 0, 0, 1, '', 1, 0, 0, '', '', '', '', 1, '', $langs->trans("From"));
@@ -730,7 +729,7 @@ $tooltiponprofitplus = $tooltiponprofitminus = '';
 foreach ($listofreferent as $key => $value) {
 	$name = $langs->trans($value['name']);
 	$qualified = $value['test'];
-	$margin = $value['margin'];
+	$margin = empty($value['margin']) ? 0 : $value['margin'];
 	if ($qualified && isset($margin)) {		// If this element must be included into profit calculation ($margin is 'minus' or 'add')
 		if ($margin == 'add') {
 			$tooltiponprofitplus .= ' &gt; '.$name." (+)<br>\n";
@@ -777,8 +776,8 @@ foreach ($listofreferent as $key => $value) {
 	$tablename = $value['table'];
 	$datefieldname = $value['datefieldname'];
 	$qualified = $value['test'];
-	$margin = $value['margin'];
-	$project_field = $value['project_field'];
+	$margin = empty($value['margin']) ? 0 : $value['margin'];
+	$project_field = empty($value['project_field']) ? '' : $value['project_field'];
 	if ($qualified && isset($margin)) {		// If this element must be included into profit calculation ($margin is 'minus' or 'add')
 		$element = new $classname($db);
 
@@ -990,11 +989,11 @@ foreach ($listofreferent as $key => $value) {
 	$tablename = $value['table'];
 	$datefieldname = $value['datefieldname'];
 	$qualified = $value['test'];
-	$langtoload = $value['lang'];
-	$urlnew = $value['urlnew'];
-	$buttonnew = $value['buttonnew'];
-	$testnew = $value['testnew'];
-	$project_field = $value['project_field'];
+	$langtoload = empty($value['lang']) ? '' : $value['lang'];
+	$urlnew = empty($value['urlnew']) ? '' : $value['urlnew'];
+	$buttonnew = empty($value['buttonnew']) ? '' : $value['buttonnew'];
+	$testnew = empty($value['testnew']) ? '' : $value['testnew'];
+	$project_field = empty($value['project_field']) ? '' : $value['project_field'];
 
 	$exclude_select_element = array('payment_various');
 	if (!empty($value['exclude_select_element'])) {
diff --git a/htdocs/projet/ganttview.php b/htdocs/projet/ganttview.php
index f2889d7c469..dea34c4badc 100644
--- a/htdocs/projet/ganttview.php
+++ b/htdocs/projet/ganttview.php
@@ -181,7 +181,7 @@ if (($id > 0 && is_numeric($id)) || !empty($ref)) {
 
 	// Budget
 	print '<tr><td>'.$langs->trans("Budget").'</td><td>';
-	if (strcmp($object->budget_amount, '')) {
+	if (!is_null($object->budget_amount) && strcmp($object->budget_amount, '')) {
 		print price($object->budget_amount, '', $langs, 1, 0, 0, $conf->currency);
 	}
 	print '</td></tr>';
diff --git a/htdocs/projet/tasks.php b/htdocs/projet/tasks.php
index 3322b63b171..d3097631a6f 100644
--- a/htdocs/projet/tasks.php
+++ b/htdocs/projet/tasks.php
@@ -616,7 +616,7 @@ if ($id > 0 || !empty($ref)) {
 
 	// Budget
 	print '<tr><td>'.$langs->trans("Budget").'</td><td>';
-	if (strcmp($object->budget_amount, '')) {
+	if (!is_null($object->budget_amount) && strcmp($object->budget_amount, '')) {
 		print '<span class="amount">'.price($object->budget_amount, '', $langs, 1, 0, 0, $conf->currency).'</span>';
 	}
 	print '</td></tr>';
diff --git a/htdocs/projet/tasks/task.php b/htdocs/projet/tasks/task.php
index fccf9d2ffe1..dfa26202a2d 100644
--- a/htdocs/projet/tasks/task.php
+++ b/htdocs/projet/tasks/task.php
@@ -632,7 +632,7 @@ if ($id > 0 || !empty($ref)) {
 
 		// Budget
 		print '<tr><td>'.$langs->trans("Budget").'</td><td>';
-		if (strcmp($object->budget_amount, '')) {
+		if (!is_null($object->budget_amount) && strcmp($object->budget_amount, '')) {
 			print '<span class="amount">'.price($object->budget_amount, 0, $langs, 1, 0, 0, $conf->currency).'</span>';
 		}
 		print '</td></tr>';
diff --git a/htdocs/projet/tasks/time.php b/htdocs/projet/tasks/time.php
index 94ed0edaffd..139a1711658 100644
--- a/htdocs/projet/tasks/time.php
+++ b/htdocs/projet/tasks/time.php
@@ -1004,7 +1004,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 
 			// Budget
 			print '<tr><td>'.$langs->trans("Budget").'</td><td>';
-			if (strcmp($projectstatic->budget_amount, '')) {
+			if (!is_null($projectstatic->budget_amount) && strcmp($projectstatic->budget_amount, '')) {
 				print '<span class="amount">'.price($projectstatic->budget_amount, '', $langs, 1, 0, 0, $conf->currency).'</span>';
 			}
 			print '</td></tr>';
@@ -2616,7 +2616,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 		if (!count($tasks)) {
 			$totalnboffields = 1;
 			foreach ($arrayfields as $value) {
-				if ($value['checked']) {
+				if (!empty($value['checked'])) {
 					$totalnboffields++;
 				}
 			}
diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index d4e0148f662..05c724b718e 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -294,7 +294,7 @@ class Ticket extends CommonObject
 		'email_msgid' => array('type'=>'varchar(255)', 'label'=>'EmailMsgID', 'visible'=>-2, 'enabled'=>1, 'position'=>540, 'notnull'=>-1, 'help'=>'EmailMsgIDDesc'),
 		'email_date' => array('type'=>'datetime', 'label'=>'EmailDate', 'visible'=>-2, 'enabled'=>1, 'position'=>541),
 		'progress' => array('type'=>'integer', 'label'=>'Progression', 'visible'=>-1, 'enabled'=>1, 'position'=>540, 'notnull'=>-1, 'css'=>'right', 'help'=>"", 'isameasure'=>2, 'csslist'=>'width50'),
-		'resolution' => array('type'=>'integer', 'label'=>'Resolution', 'visible'=>-1, 'enabled'=>'$conf->global->TICKET_ENABLE_RESOLUTION', 'position'=>550, 'notnull'=>1),
+		'resolution' => array('type'=>'integer', 'label'=>'Resolution', 'visible'=>-1, 'enabled'=>'getDolGlobalString("TICKET_ENABLE_RESOLUTION")', 'position'=>550, 'notnull'=>1),
 		'fk_statut' => array('type'=>'integer', 'label'=>'Status', 'visible'=>1, 'enabled'=>1, 'position'=>600, 'notnull'=>1, 'index'=>1, 'arrayofkeyval'=>array(0 => 'Unread', 1 => 'Read', 3 => 'Answered', 4 => 'Assigned', 5 => 'InProgress', 6 => 'Waiting', 8 => 'SolvedClosed', 9 => 'Deleted')),
 		'import_key' =>array('type'=>'varchar(14)', 'label'=>'ImportId', 'enabled'=>1, 'visible'=>-2, 'position'=>900),
 	);