diff --git a/htdocs/admin/dict.php b/htdocs/admin/dict.php
index e7ea8fe2f36..9a68194f28c 100644
--- a/htdocs/admin/dict.php
+++ b/htdocs/admin/dict.php
@@ -1726,6 +1726,9 @@ if ($id > 0) {
 			}
 
 			if (in_array($value, array('label', 'libelle', 'libelle_facture')) && empty($tabcomplete[$tabname[$id]]['help'][$value])) {
+				if (!is_array($tabcomplete[$tabname[$id]]['help'])) {	// protection when $tabcomplete[$tabname[$id]]['help'] is a an empty string, we must force it into an array
+					$tabcomplete[$tabname[$id]]['help'] = array();
+				}
 				$tabcomplete[$tabname[$id]]['help'][$value] = $langs->trans('LabelUsedByDefault');
 			}
 
diff --git a/htdocs/admin/ihm.php b/htdocs/admin/ihm.php
index b868a847e9e..6237e5912f0 100644
--- a/htdocs/admin/ihm.php
+++ b/htdocs/admin/ihm.php
@@ -308,7 +308,7 @@ if ($action == 'update') {
 	$_SESSION["mainmenu"] = ""; // The menu manager may have changed
 
 	if (GETPOST('dol_resetcache')) {
-		dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", ((int) $conf->global->MAIN_IHM_PARAMS_REV) + 1, 'chaine', 0, '', $conf->entity);
+		dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", getDolGlobalInt('MAIN_IHM_PARAMS_REV') + 1, 'chaine', 0, '', $conf->entity);
 	}
 
 	header("Location: ".$_SERVER["PHP_SELF"]."?mainmenu=home&leftmenu=setup&mode=".$mode.(GETPOSTISSET('page_y') ? '&page_y='.GETPOST('page_y', 'int') : ''));
diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index 0242e021ab3..af7327dcf68 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -274,7 +274,7 @@ if ($action == 'set' && $user->admin) {
 	if ($csrfCheckOldValue != getDolGlobalInt('MAIN_SECURITY_CSRF_WITH_TOKEN')) {
 		setEventMessage($langs->trans('WarningModuleHasChangedSecurityCsrfParameter', $value), 'warnings');
 	}
-	dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", (int) $conf->global->MAIN_IHM_PARAMS_REV + 1, 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", getDolGlobalInt('MAIN_IHM_PARAMS_REV') + 1, 'chaine', 0, '', $conf->entity);
 	if (!empty($resarray['errors'])) {
 		setEventMessages('', $resarray['errors'], 'errors');
 	} else {
@@ -298,7 +298,7 @@ if ($action == 'set' && $user->admin) {
 	exit;
 } elseif ($action == 'reset' && $user->admin && GETPOST('confirm') == 'yes') {
 	$result = unActivateModule($value);
-	dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", (int) $conf->global->MAIN_IHM_PARAMS_REV + 1, 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", getDolGlobalInt('MAIN_IHM_PARAMS_REV') + 1, 'chaine', 0, '', $conf->entity);
 	if ($result) {
 		setEventMessages($result, null, 'errors');
 	}
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 66857b8264d..a91dc43adbd 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -1732,7 +1732,7 @@ function top_htmlhead($head, $title = '', $disablejs = 0, $disablehead = 0, $arr
 		}
 		// Refresh value of MAIN_IHM_PARAMS_REV before forging the parameter line.
 		if (GETPOST('dol_resetcache')) {
-			dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", ((int) $conf->global->MAIN_IHM_PARAMS_REV) + 1, 'chaine', 0, '', $conf->entity);
+			dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", getDolGlobalInt('MAIN_IHM_PARAMS_REV') + 1, 'chaine', 0, '', $conf->entity);
 		}
 
 		$themeparam = '?lang='.$langs->defaultlang.'&theme='.$conf->theme.(GETPOST('optioncss', 'aZ09') ? '&optioncss='.GETPOST('optioncss', 'aZ09', 1) : '').(empty($user->id) ? '' : ('&userid='.$user->id)).'&entity='.$conf->entity;