The delete of a user need the parameter $user

htdocs/user/card.php

@@ -149,7 +149,7 @@ if (empty($reshook)) {
 		if ($id <> $user->id) {
 			$object = new User($db);
 			$object->fetch($id);
-			$result = $object->delete();
+			$result = $object->delete($user);
 			if ($result < 0) {
 				$langs->load("errors");
 				setEventMessages($langs->trans("ErrorUserCannotBeDelete"), null, 'errors');
@@ -1249,7 +1249,7 @@ else
 			$object->getrights();
 			if (empty($object->nb_rights) && $object->statut != 0 && empty($object->admin)) setEventMessages($langs->trans('UserHasNoPermissions'), null, 'warnings');
 		}
-		
+
 		// Connexion ldap
 		// pour recuperer passDoNotExpire et userChangePassNextLogon
 		if (! empty($conf->ldap->enabled) && ! empty($object->ldap_sid))

htdocs/user/class/api_users.class.php

@@ -302,7 +302,7 @@ class Users extends DolibarrApi
 			throw new RestException(401, 'Access not allowed for login ' . DolibarrApiAccess::$user->login);
 		}
 
-		return $this->useraccount->delete($id);
+		return $this->useraccount->delete(DolibarrApiAccess::$user);
 	}
 
 	/**

htdocs/user/class/user.class.php

@@ -1005,13 +1005,14 @@ class User extends CommonObject
 	}
 
 	/**
-	 *    	Delete the user
+	 *  Delete the user
 	 *
-	 * 		@return		int		<0 if KO, >0 if OK
+	 *	@param		User	$user	User than delete
+	 * 	@return		int				<0 if KO, >0 if OK
 	 */
-	function delete()
+	function delete(User $user)
 	{
-		global $user,$conf,$langs;
+		global $conf,$langs;
 
 		$error=0;
 

htdocs/user/class/usergroup.class.php

@@ -617,13 +617,14 @@ class UserGroup extends CommonObject
 	}
 
 	/**
-	 *        Efface un groupe de la base
+	 *	Delete a group
 	 *
-	 *        @return     <0 if KO, > 0 if OK
+	 *	@param	User	$user		User that delete
+	 *	@return     				<0 if KO, > 0 if OK
 	 */
-	function delete()
+	function delete(User $user)
 	{
-		global $user,$conf,$langs;
+		global $conf,$langs;
 
 		$error=0;
 

htdocs/user/group/card.php

@@ -110,7 +110,7 @@ if (empty($reshook)) {
 		if ($caneditperms)
 		{
 			$object->fetch($id);
-			$object->delete();
+			$object->delete($user);
 			header("Location: ".DOL_URL_ROOT."/user/group/list.php?restore_lastsearch_values=1");
 			exit;
 		}