diff --git a/htdocs/core/class/commoninvoice.class.php b/htdocs/core/class/commoninvoice.class.php
index d93f25522ae..f23a26678fe 100644
--- a/htdocs/core/class/commoninvoice.class.php
+++ b/htdocs/core/class/commoninvoice.class.php
@@ -1001,6 +1001,7 @@ abstract class CommonInvoice extends CommonObject
 					$this->db->begin();
 
 					// Create a prelevement_bon
+					require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 					$bon = new BonPrelevement($this->db);
 					if (!$error) {
 						if (empty($obj->fk_prelevement_bons)) {
diff --git a/htdocs/core/class/html.formaccounting.class.php b/htdocs/core/class/html.formaccounting.class.php
index 3437d4fa050..965c6c4f13f 100644
--- a/htdocs/core/class/html.formaccounting.class.php
+++ b/htdocs/core/class/html.formaccounting.class.php
@@ -454,6 +454,7 @@ class FormAccounting extends Form
 	public function select_auxaccount($selectid, $htmlname = 'account_num_aux', $showempty = 0, $morecss = 'minwidth100 maxwidth300 maxwidthonsmartphone', $usecache = '', $labelhtmlname = '')
 	{
 		// phpcs:enable
+		global $conf;
 
 		$aux_account = array();
 
diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index 158f3e30e2f..cf7c1f19a33 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -505,7 +505,7 @@ class Ticket extends CommonObject
 			$sql .= " ".($this->fk_soc > 0 ? $this->db->escape($this->fk_soc) : "null").",";
 			$sql .= " ".($this->fk_project > 0 ? $this->db->escape($this->fk_project) : "null").",";
 			$sql .= " ".(!isset($this->origin_email) ? 'NULL' : "'".$this->db->escape($this->origin_email)."'").",";
-			$sql .= " ".($this->fk_user_create > 0 ? $this->fk_user_create : ($user->id > 0 ? $user->id : 'NULL')).",";
+			$sql .= " ".(!isset($this->fk_user_create) ? ($user->id > 0 ? $user->id : 'NULL') : ($this->fk_user_create > 0 ? $this->fk_user_create : 'NULL')).",";
 			$sql .= " ".($this->fk_user_assign > 0 ? $this->fk_user_assign : 'NULL').",";
 			$sql .= " ".(empty($this->email_msgid) ? 'NULL' : "'".$this->db->escape($this->email_msgid)."'").",";
 			$sql .= " ".(empty($this->email_date) ? 'NULL' : "'".$this->db->idate($this->email_date)."'").",";