diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 22f1c48276a..9a0c7c94570 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -5278,7 +5278,9 @@ function dol_print_error($db = '', $error = '', $errors = null)
 		print 'This website or feature is currently temporarly not available or failed after a technical error.<br><br>This may be due to a maintenance operation. Current status of operation ('.dol_print_date(dol_now(), 'dayhourrfc').') are on next line...<br><br>'."\n";
 		print $langs->trans("DolibarrHasDetectedError").'. ';
 		print $langs->trans("YouCanSetOptionDolibarrMainProdToZero");
-		define("MAIN_CORE_ERROR", 1);
+		if (!defined("MAIN_CORE_ERROR")) {
+			define("MAIN_CORE_ERROR", 1);
+		}
 	}
 
 	dol_syslog("Error ".$syslog, LOG_ERR);
diff --git a/htdocs/projet/index.php b/htdocs/projet/index.php
index c781fb49e17..4744ebf04fb 100644
--- a/htdocs/projet/index.php
+++ b/htdocs/projet/index.php
@@ -268,7 +268,7 @@ if ($resql) {
 
 			print '<td width="16" class="right nobordernopadding hideonsmartphone">';
 			$filename = dol_sanitizeFileName($obj->ref);
-			$filedir = $conf->commande->dir_output.'/'.dol_sanitizeFileName($obj->ref);
+			$filedir = $conf->projet->dir_output.'/'.dol_sanitizeFileName($obj->ref);
 			$urlsource = $_SERVER['PHP_SELF'].'?id='.$obj->rowid;
 			print $formfile->getDocumentsLink($projectstatic->element, $filename, $filedir);
 			print '</td></tr></table>';