diff --git a/addressbook/inc/class.addressbook_display.inc.php b/addressbook/inc/class.addressbook_display.inc.php
index d0079b7c97..2271ddb898 100755
--- a/addressbook/inc/class.addressbook_display.inc.php
+++ b/addressbook/inc/class.addressbook_display.inc.php
@@ -18,10 +18,10 @@ use EGroupware\Api;
  */
 class addressbook_display extends addressbook_ui
 {
-	function get_rows(&$query,&$rows,&$readonlys)
+	function get_rows(&$query,&$rows,&$readonlys,$id_only=false)
 	{
 		$query['sitemgr_display'] = ($readonlys['sitemgr_display'] ?$readonlys['sitemgr_display']:'addressbook.display');
-		$total = parent::get_rows($query,$rows,$readonlys);
+		$total = parent::get_rows($query,$rows,$readonlys, $id_only);
 		$query['template'] = $query['sitemgr_display'].'.rows';
 
 		if (is_array($query['fields'])) foreach($query['fields'] as $name)
diff --git a/addressbook/inc/class.addressbook_vcal.inc.php b/addressbook/inc/class.addressbook_vcal.inc.php
index d0e6db1894..c8f9bd0589 100644
--- a/addressbook/inc/class.addressbook_vcal.inc.php
+++ b/addressbook/inc/class.addressbook_vcal.inc.php
@@ -524,7 +524,7 @@ class addressbook_vcal extends addressbook_bo
 		return $result;
 	}
 
-	function search($_vcard, $contentID=null, $relax=false, $charset=null)
+	function iCalSearch($_vcard, $contentID=null, $relax=false, $charset=null)
 	{
 		$result = array();
 
diff --git a/api/src/Etemplate/Widget.php b/api/src/Etemplate/Widget.php
index 4d7dfdd66d..6c27a3ec19 100644
--- a/api/src/Etemplate/Widget.php
+++ b/api/src/Etemplate/Widget.php
@@ -690,6 +690,7 @@ class Widget
 				eval('$name = "' . str_replace('"', '\\"', $name) . '";');
 			}
 			catch(\Throwable $e) {
+				error_log(__METHOD__."() eval('\$name = \"".str_replace('"', '\\"', $name) . "\";)");
 				_egw_log_exception($e);
 			}
 			unset($col_, $row_, $row_cont, $col_row_cont);	// quieten IDE warning about used vars, they might be used in above eval!
diff --git a/calendar/inc/class.calendar_tracking.inc.php b/calendar/inc/class.calendar_tracking.inc.php
index 9261886f1d..6d6b0c2add 100644
--- a/calendar/inc/class.calendar_tracking.inc.php
+++ b/calendar/inc/class.calendar_tracking.inc.php
@@ -121,7 +121,7 @@ class calendar_tracking extends Api\Storage\Tracking
 	 * Tracks the changes in one entry $data, by comparing it with the last version in $old
 	 * Overrides parent to reformat participants into a format parent can handle
 	 */
-	public function track(array $data,array $old=null,$user=null,$deleted=null,array $changed_fields=null)
+	public function track(array $data,array $old=null,$user=null,$deleted=null,array $changed_fields=null, $skip_notification = false)
 	{
 		// Don't try to track dates on recurring events.
 		// It won't change for the base event, and any change to the time creates an exception
@@ -162,13 +162,13 @@ class calendar_tracking extends Api\Storage\Tracking
 				$data[$date] = $data[$date]->format('ts');
 			}
 		}
-		parent::track($data,$old,$user,$deleted, $changed_fields);
+		parent::track($data,$old,$user,$deleted, $changed_fields, $skip_notification);
 	}
 
 	/**
 	 * Overrides parent because calendar_boupdates handles the notifications
 	 */
-	public function do_notifications($data,$old,$deleted=null)
+	public function do_notifications($data,$old,$deleted=null, &$email_notified = null)
 	{
 		unset($data, $old, $deleted);	// unused, but required by function signature
 		return true;
diff --git a/calendar/inc/class.calendar_wizard_import_ical.inc.php b/calendar/inc/class.calendar_wizard_import_ical.inc.php
index c778c10e24..2d00a7268b 100644
--- a/calendar/inc/class.calendar_wizard_import_ical.inc.php
+++ b/calendar/inc/class.calendar_wizard_import_ical.inc.php
@@ -39,13 +39,14 @@ class calendar_wizard_import_ical
 		);
 	}
 
+	/* fix PHP 8 error: Cannot use "parent" when current class scope has no parent
 	function wizard_step50(&$content, &$sel_options, &$readonlys, &$preserv)
 	{
 		$result = parent::wizard_step50($content, $sel_options, $readonlys, $preserv);
 		$content['msg'] .= "\n*" ;
 
 		return $result;
-	}
+	}*/
 
 	// Conditions
 	function wizard_step55(&$content, &$sel_options, &$readonlys, &$preserv)
diff --git a/filemanager/inc/class.filemanager_shares.inc.php b/filemanager/inc/class.filemanager_shares.inc.php
index 3224a8489f..1ef8247288 100644
--- a/filemanager/inc/class.filemanager_shares.inc.php
+++ b/filemanager/inc/class.filemanager_shares.inc.php
@@ -58,8 +58,9 @@ class filemanager_shares extends filemanager_ui
 	 * @param array &$readonlys eg. to disable buttons based on acl, not use here, maybe in a derived class
 	 * @return int total number of rows
 	 */
-	public function get_rows($query, &$rows)
+	public function get_rows(&$query_in, &$rows)
 	{
+		$query = $query_in;
 		switch ($query['col_filter']['type'])
 		{
 			case Sharing::LINK:
@@ -160,7 +161,7 @@ class filemanager_shares extends filemanager_ui
 	 * @param array $content=null
 	 * @param string $msg=''
 	 */
-	public function index(array $content=null)
+	public function index(array $content=null, $msg = null)
 	{
 		if (!is_array($content))
 		{