diff --git a/ChangeLog b/ChangeLog
index e184f0045b8..5ec86761300 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -180,6 +180,7 @@ Dolibarr better:
 - Fix: [ bug #1595 ] Selected boolean extrafield in intervention creation page, does not save state
 - Fix: Show sender Country on PDF docs when sender Country <> receiver Country
 - Fix: [ bug #1624 ] Use lowest buying price for margin when selling with POS
+- Fix: [ bug #1749 ] Undefined $mailchimp
 
 ***** ChangeLog for 3.6.1 compared to 3.6.* *****
 For users:
diff --git a/dev/codesniffer/ruleset.xml b/dev/codesniffer/ruleset.xml
index ffbc1bace39..2b7fa4d46f0 100755
--- a/dev/codesniffer/ruleset.xml
+++ b/dev/codesniffer/ruleset.xml
@@ -24,6 +24,13 @@
 		
 	<rule ref="Generic.CodeAnalysis.EmptyStatement" />
  
+	<rule ref="Generic.CodeAnalysis.EmptyStatement.DetectedIF">
+		<severity>0</severity>
+	</rule>
+	<rule ref="Generic.CodeAnalysis.EmptyStatement.DetectedELSE">
+		<severity>0</severity>
+	</rule>
+
 	<rule ref="Generic.CodeAnalysis.EmptyStatement.NotAllowed">
 		<severity>0</severity>
 	</rule>
@@ -204,7 +211,41 @@
     <rule ref="PEAR.Commenting.FunctionComment.Missing">
         <severity>0</severity>
     </rule>
-    
+    <rule ref="PEAR.Commenting.ClassComment.Missing@authorTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@categoryTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@licenseTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@linkTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.ClassComment.Missing@packageTag">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.SpacingAfterParamType">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.SpacingAfterParamName">
+        <severity>0</severity>
+    </rule>
+    <!-- TODO Remove this and fix reported errors -->
+    <rule ref="PEAR.Commenting.ClassComment.Missing">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.MissingReturn">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.ReturnNotRequired">
+        <severity>0</severity>
+    </rule>
+    <rule ref="PEAR.Commenting.FunctionComment.Missing">
+        <severity>0</severity>
+    </rule>
+        
     <!-- 
     <rule ref="PEAR.Commenting.FileComment" />
     <rule ref="PEAR.Commenting.FileComment.WrongStyle">
diff --git a/htdocs/projet/element.php b/htdocs/projet/element.php
index b1c59e430f2..a54e7c45aac 100644
--- a/htdocs/projet/element.php
+++ b/htdocs/projet/element.php
@@ -247,7 +247,7 @@ if ($action=="addelement")
 	$elementselectid = GETPOST("elementselect");
 	$result=$project->update_element($tablename, $elementselectid);
 	if ($result<0) {
-		setEventMessage($mailchimp->error,'errors');
+		setEventMessage($project->error,'errors');
 	}
 }elseif ($action == "unlink") {