From 18d2bef8f38c94d24731eab199237506588d4974 Mon Sep 17 00:00:00 2001
From: Sylvain Legrand <sylvain.legrand@infras.fr>
Date: Wed, 28 Apr 2021 11:58:34 +0200
Subject: [PATCH] Error 500 on propal card when we change the deadline

if we don't use the automatic generation for PDF documents (MAIN_DISABLE_PDF_AUTOUPDATE is set to 1) when we change the deadline on a proposal we get an error 500.
---
 htdocs/comm/propal/card.php | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index 73ea01bc3f8..99a6f759206 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -285,8 +285,28 @@ if (empty($reshook))
 	} elseif ($action == 'setecheance' && $usercancreate)
 	{
 		$result = $object->set_echeance($user, dol_mktime(12, 0, 0, $_POST['echmonth'], $_POST['echday'], $_POST['echyear']));
-		$result = $object->generateDocument($model, $outputlangs, $hidedetails, $hidedesc, $hideref);
-		if ($result < 0)
+		if ($result >= 0)
+		{
+			if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE))
+			{
+				$outputlangs = $langs;
+				$newlang = '';
+				if ($conf->global->MAIN_MULTILANGS && empty($newlang) && GETPOST('lang_id', 'aZ09')) $newlang = GETPOST('lang_id', 'aZ09');
+				if ($conf->global->MAIN_MULTILANGS && empty($newlang))	$newlang = $object->thirdparty->default_lang;
+				if (!empty($newlang)) {
+					$outputlangs = new Translate("", $conf);
+					$outputlangs->setDefaultLang($newlang);
+				}
+				$model = $object->model_pdf;
+				$ret = $object->fetch($id); // Reload to get new records
+				if ($ret > 0) {
+					$object->fetch_thirdparty();
+				}
+
+				$object->generateDocument($model, $outputlangs, $hidedetails, $hidedesc, $hideref);
+			}
+		}
+		elseif ($result < 0)
 			dol_print_error($db, $object->error);
 	} elseif ($action == 'setdate_livraison' && $usercancreate)
 	{