diff --git a/htdocs/comm/action/peruser.php b/htdocs/comm/action/peruser.php
index 413de33db1f..38a316f4357 100644
--- a/htdocs/comm/action/peruser.php
+++ b/htdocs/comm/action/peruser.php
@@ -470,6 +470,9 @@ $newcardbutton = '';
 if ($user->rights->agenda->myactions->create || $user->rights->agenda->allactions->create) {
 	$tmpforcreatebutton = dol_getdate(dol_now(), true);
 
+        if(empty($newparam)) {
+            $newparam = '';
+        }
 	$newparam .= '&month='.urlencode(str_pad($month, 2, "0", STR_PAD_LEFT)).'&year='.urlencode($tmpforcreatebutton['year']);
 	if ($begin_h !== '') {
 		$newparam .= '&begin_h='.urlencode($begin_h);
@@ -489,6 +492,9 @@ if ($user->rights->agenda->myactions->create || $user->rights->agenda->allaction
 	$newcardbutton .= dolGetButtonTitle($langs->trans("AddAction"), '', 'fa fa-plus-circle', DOL_URL_ROOT.'/comm/action/card.php?action=create&datep='.sprintf("%04d%02d%02d", $tmpforcreatebutton['year'], $tmpforcreatebutton['mon'], $tmpforcreatebutton['mday']).$hourminsec.'&backtopage='.urlencode($_SERVER["PHP_SELF"].($newparam ? '?'.$newparam : '')));
 }
 
+if(empty($num)) {
+    $num = '';
+}
 print_barre_liste($langs->trans("Agenda"), $page, $_SERVER["PHP_SELF"], $param, $sortfield, $sortorder, $massactionbutton, $num, -1, 'object_action', 0, $nav.'<span class="marginleftonly"></span>'.$newcardbutton, '', $limit, 1, 0, 1, $viewmode);
 
 $link = '';
@@ -505,6 +511,9 @@ $s = $newtitle;
 print $s;
 
 print '<div class="liste_titre liste_titre_bydiv centpercent">';
+if(empty($search_status)) {
+    $search_status = '';
+}
 print_actions_filter($form, $canedit, $search_status, $year, $month, $day, $showbirthday, 0, $filtert, 0, $pid, $socid, $action, -1, $actioncode, $usergroup, '', $resourceid);
 print '</div>';
 
@@ -1378,10 +1387,10 @@ function show_day_events2($username, $day, $month, $year, $monthshown, $style, &
 
 		$ids1 = '';
 		$ids2 = '';
-		if (is_array($cases1[$h]) && count($cases1[$h]) && array_keys($cases1[$h])) {
+		if (!empty($cases1[$h]) && is_array($cases1[$h]) && count($cases1[$h]) && array_keys($cases1[$h])) {
 			$ids1 = join(',', array_keys($cases1[$h]));
 		}
-		if (is_array($cases2[$h]) && count($cases2[$h]) && array_keys($cases2[$h])) {
+		if (!empty($cases2[$h]) && is_array($cases2[$h]) && count($cases2[$h]) && array_keys($cases2[$h])) {
 			$ids2 = join(',', array_keys($cases2[$h]));
 		}
 
@@ -1390,7 +1399,7 @@ function show_day_events2($username, $day, $month, $year, $monthshown, $style, &
 		} else {
 			echo '<td class="'.$style.' cal_peruser'.($var ? ' cal_impair '.$style.'_impair' : '').'">';
 		}
-		if (is_array($cases1[$h]) && count($cases1[$h]) == 1) {	// only 1 event
+		if (!empty($cases1[$h]) && is_array($cases1[$h]) && count($cases1[$h]) == 1) {	// only 1 event
 			$output = array_slice($cases1[$h], 0, 1);
 			$title1 = $langs->trans("Ref").' '.$ids1.($title1 ? ' - '.$title1 : '');
 			if ($output[0]['string']) {
@@ -1399,12 +1408,12 @@ function show_day_events2($username, $day, $month, $year, $monthshown, $style, &
 			if ($output[0]['color']) {
 				$color1 = $output[0]['color'];
 			}
-		} elseif (is_array($cases1[$h]) && count($cases1[$h]) > 1) {
+		} elseif (!empty($cases1[$h]) && is_array($cases1[$h]) && count($cases1[$h]) > 1) {
 			$title1 = $langs->trans("Ref").' '.$ids1.($title1 ? ' - '.$title1 : '');
 			$color1 = '222222';
 		}
 
-		if (is_array($cases2[$h]) && count($cases2[$h]) == 1) {	// only 1 event
+		if (!empty($cases2[$h]) && is_array($cases2[$h]) && count($cases2[$h]) == 1) {	// only 1 event
 			$output = array_slice($cases2[$h], 0, 1);
 			$title2 = $langs->trans("Ref").' '.$ids2.($title2 ? ' - '.$title2 : '');
 			if ($output[0]['string']) {
@@ -1413,7 +1422,7 @@ function show_day_events2($username, $day, $month, $year, $monthshown, $style, &
 			if ($output[0]['color']) {
 				$color2 = $output[0]['color'];
 			}
-		} elseif (is_array($cases2[$h]) && count($cases2[$h]) > 1) {
+		} elseif (!empty($cases2[$h]) && is_array($cases2[$h]) && count($cases2[$h]) > 1) {
 			$title2 = $langs->trans("Ref").' '.$ids2.($title2 ? ' - '.$title2 : '');
 			$color2 = '222222';
 		}