diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index af903637e6f..9f566f41a3e 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -148,6 +148,8 @@ if (GETPOST('viewday', 'int') || GETPOST('action', 'alpha') == 'show_day') {
 	$action = 'show_day'; $day = ($day ? $day : date("d"));
 } // View by day
 
+$object = new ActionComm($db);
+
 // Load translation files required by the page
 $langs->loadLangs(array('agenda', 'other', 'commercial'));
 
@@ -197,6 +199,7 @@ if (GETPOST("viewperuser", 'alpha') || $action == 'show_peruser') {
 	exit;
 }
 
+/*
 if ($action == 'delete_action') {
 	$event = new ActionComm($db);
 	$event->fetch($actionid);
@@ -206,6 +209,7 @@ if ($action == 'delete_action') {
 
 	$result = $event->delete();
 }
+*/
 
 
 /*
@@ -484,25 +488,25 @@ $viewmode .= img_picto($langs->trans("List"), 'object_list', 'class="pictoaction
 //$viewmode .= '</span>';
 $viewmode .= '<span class="valignmiddle text-plus-circle btnTitle-label hideonsmartphone">'.$langs->trans("ViewList").'</span></a>';
 
-$viewmode .= '<a class="btnTitle'.($action == 'show_month' ? ' btnTitleSelected' : '').' reposition" href="'.DOL_URL_ROOT.'/comm/action/index.php?action=show_month&year='.dol_print_date($object->datep, '%Y').'&month='.dol_print_date($object->datep, '%m').'&day='.dol_print_date($object->datep, '%d').$paramnoactionodate.'">';
+$viewmode .= '<a class="btnTitle'.($action == 'show_month' ? ' btnTitleSelected' : '').' reposition" href="'.DOL_URL_ROOT.'/comm/action/index.php?action=show_month&year='.(isset($object->datep) ? dol_print_date($object->datep, '%Y') : $year).'&month='.(isset($object->datep) ? dol_print_date($object->datep, '%m') : $month).'&day='.(isset($object->datep) ? dol_print_date($object->datep, '%d') : $day).$paramnoactionodate.'">';
 //$viewmode .= '<span class="fa paddingleft imgforviewmode valignmiddle btnTitle-icon">';
 $viewmode .= img_picto($langs->trans("ViewCal"), 'object_calendarmonth', 'class="pictoactionview block"');
 //$viewmode .= '</span>';
 $viewmode .= '<span class="valignmiddle text-plus-circle btnTitle-label hideonsmartphone">'.$langs->trans("ViewCal").'</span></a>';
 
-$viewmode .= '<a class="btnTitle'.($action == 'show_week' ? ' btnTitleSelected' : '').' reposition" href="'.DOL_URL_ROOT.'/comm/action/index.php?action=show_week&year='.dol_print_date($object->datep, '%Y').'&month='.dol_print_date($object->datep, '%m').'&day='.dol_print_date($object->datep, '%d').$paramnoactionodate.'">';
+$viewmode .= '<a class="btnTitle'.($action == 'show_week' ? ' btnTitleSelected' : '').' reposition" href="'.DOL_URL_ROOT.'/comm/action/index.php?action=show_week&year='.(isset($object->datep) ? dol_print_date($object->datep, '%Y') : $year).'&month='.(isset($object->datep) ? dol_print_date($object->datep, '%m') : $month).'&day='.(isset($object->datep) ? dol_print_date($object->datep, '%d') : $day).$paramnoactionodate.'">';
 //$viewmode .= '<span class="fa paddingleft imgforviewmode valignmiddle btnTitle-icon">';
 $viewmode .= img_picto($langs->trans("ViewWeek"), 'object_calendarweek', 'class="pictoactionview block"');
 //$viewmode .= '</span>';
 $viewmode .= '<span class="valignmiddle text-plus-circle btnTitle-label hideonsmartphone">'.$langs->trans("ViewWeek").'</span></a>';
 
-$viewmode .= '<a class="btnTitle'.($action == 'show_day' ? ' btnTitleSelected' : '').' reposition" href="'.DOL_URL_ROOT.'/comm/action/index.php?action=show_day&year='.dol_print_date($object->datep, '%Y').'&month='.dol_print_date($object->datep, '%m').'&day='.dol_print_date($object->datep, '%d').$paramnoactionodate.'">';
+$viewmode .= '<a class="btnTitle'.($action == 'show_day' ? ' btnTitleSelected' : '').' reposition" href="'.DOL_URL_ROOT.'/comm/action/index.php?action=show_day&year='.(isset($object->datep) ? dol_print_date($object->datep, '%Y') : $year).'&month='.(isset($object->datep) ? dol_print_date($object->datep, '%m') : $month).'&day='.(isset($object->datep) ? dol_print_date($object->datep, '%d') : $day).$paramnoactionodate.'">';
 //$viewmode .= '<span class="fa paddingleft imgforviewmode valignmiddle btnTitle-icon">';
 $viewmode .= img_picto($langs->trans("ViewDay"), 'object_calendarday', 'class="pictoactionview block"');
 //$viewmode .= '</span>';
 $viewmode .= '<span class="valignmiddle text-plus-circle btnTitle-label hideonsmartphone">'.$langs->trans("ViewDay").'</span></a>';
 
-$viewmode .= '<a class="btnTitle reposition" href="'.DOL_URL_ROOT.'/comm/action/peruser.php?action=show_peruser&year='.dol_print_date($object->datep, '%Y').'&month='.dol_print_date($object->datep, '%m').'&day='.dol_print_date($object->datep, '%d').$paramnoactionodate.'">';
+$viewmode .= '<a class="btnTitle reposition" href="'.DOL_URL_ROOT.'/comm/action/peruser.php?action=show_peruser&year='.(isset($object->datep) ? dol_print_date($object->datep, '%Y') : $year).'&month='.(isset($object->datep) ? dol_print_date($object->datep, '%m') : $month).'&day='.(isset($object->datep) ? dol_print_date($object->datep, '%d') : $day).$paramnoactionodate.'">';
 //$viewmode .= '<span class="fa paddingleft imgforviewmode valignmiddle btnTitle-icon">';
 $viewmode .= img_picto($langs->trans("ViewPerUser"), 'object_calendarperuser', 'class="pictoactionview block"');
 //$viewmode .= '</span>';