diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 63d0eb475e5..f95cb37b9bb 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -5397,16 +5397,20 @@ abstract class CommonObject
 					return 1;
 				} else {
 					$outputlangs->charset_output = $sav_charset_output;
-					dol_print_error($this->db, "Error generating document for ".__CLASS__.". Error: ".$obj->error, $obj->errors);
+					$this->error = $obj->error;
+					$this->errors = $obj->errors;
+					dol_syslog("Error generating document for ".__CLASS__.". Error: ".$obj->error, LOG_ERR);
 					return -1;
 				}
 			} else {
 				if (!$filefound) {
 					$this->error = $langs->trans("Error").' Failed to load doc generator with modelpaths='.$modelspath.' - modele='.$modele;
-					dol_print_error('', $this->error);
+					$this->errors[] = $this->error;
+					dol_syslog($this->error, LOG_ERR);
 				} else {
 					$this->error = $langs->trans("Error")." ".$langs->trans("ErrorFileDoesNotExists", $filefound);
-					dol_print_error('', $this->error);
+					$this->errors[] = $this->error;
+					dol_syslog($this->error, LOG_ERR);
 				}
 				return -1;
 			}