diff --git a/lam/lib/html.inc b/lam/lib/html.inc
index 63bd75f1b..f1820416b 100644
--- a/lam/lib/html.inc
+++ b/lam/lib/html.inc
@@ -1072,9 +1072,9 @@ class htmlButton extends htmlElement {
 	/**
 	 * Constructor.
 	 *
-	 * @param String $name button name
-	 * @param String $value button text or image (16x16px, relative to graphics folder)
-	 * @param String $isImageButton image or text button (default text)
+	 * @param string $name button name
+	 * @param string $value button text or image (16x16px, relative to graphics folder)
+	 * @param bool $isImageButton image or text button (default text)
 	 */
 	function __construct($name, $value, $isImageButton = false) {
 		$this->name = htmlspecialchars($name);
diff --git a/lam/lib/profiles.inc b/lam/lib/profiles.inc
index c07c733f1..77ac6bc96 100644
--- a/lam/lib/profiles.inc
+++ b/lam/lib/profiles.inc
@@ -204,7 +204,6 @@ class AccountProfilePersistenceManager {
 	 * @param string $confName server profile name
 	 * @return bool profile exists
 	 * @throws LAMException error while checking
-	 * @throws LAMException error writing template
 	 */
 	public function isAccountProfileExisting(string $typeId, string $name, string $confName): bool {
 		if (!$this->isValidAccountProfileName($name)
diff --git a/lam/templates/tools/multiEdit.php b/lam/templates/tools/multiEdit.php
index 1c0c90610..f6a0bcc21 100644
--- a/lam/templates/tools/multiEdit.php
+++ b/lam/templates/tools/multiEdit.php
@@ -1,26 +1,28 @@
 <?php
 namespace LAM\TOOLS\MULTI_EDIT;
 use htmlProgressbar;
-use \htmlTable;
-use \htmlTitle;
-use \htmlSelect;
-use \htmlOutputText;
-use \htmlInputField;
-use \htmlSubTitle;
-use \htmlButton;
-use \htmlStatusMessage;
-use \htmlSpacer;
-use \htmlHiddenInput;
-use \htmlGroup;
-use \htmlDiv;
-use \htmlJavaScript;
-use \htmlLink;
-use \htmlInputTextarea;
-use \htmlResponsiveRow;
-use \htmlResponsiveSelect;
-use \htmlResponsiveInputField;
-use \htmlResponsiveTable;
+use htmlTable;
+use htmlTitle;
+use htmlSelect;
+use htmlOutputText;
+use htmlInputField;
+use htmlSubTitle;
+use htmlButton;
+use htmlStatusMessage;
+use htmlSpacer;
+use htmlHiddenInput;
+use htmlGroup;
+use htmlDiv;
+use htmlJavaScript;
+use htmlLink;
+use htmlInputTextarea;
+use htmlResponsiveRow;
+use htmlResponsiveSelect;
+use htmlResponsiveInputField;
+use htmlResponsiveTable;
 use LAM\TOOLS\TREEVIEW\TreeViewTool;
+use LAM\TYPES\TypeManager;
+use LAMException;
 use LamTemporaryFilesManager;
 
 /*
@@ -106,11 +108,11 @@ function displayStartPage(): void {
 	echo "<form action=\"multiEdit.php\" method=\"post\">\n";
 	$errors = [];
 	$container = new htmlResponsiveRow();
-	$container->add(new htmlTitle(_("Multi edit")), 12);
+	$container->add(new htmlTitle(_("Multi edit")));
 	// LDAP suffix
 	$showRules = ['-' => ['otherSuffix']];
 	$hideRules = [];
-	$typeManager = new \LAM\TYPES\TypeManager();
+	$typeManager = new TypeManager();
 	$types = $typeManager->getConfiguredTypes();
 	$suffixes = [];
 	foreach ($types as $type) {
@@ -144,16 +146,16 @@ function displayStartPage(): void {
 	$suffixSelect->setSortElements(false);
 	$suffixSelect->setTableRowsToShow($showRules);
 	$suffixSelect->setTableRowsToHide($hideRules);
-	$container->add($suffixSelect, 12);
-	$valOtherSuffix = empty($_POST['otherSuffix']) ? '' : $_POST['otherSuffix'];
-	$container->add(new htmlResponsiveInputField(_('Other'), 'otherSuffix', $valOtherSuffix), 12);
+	$container->add($suffixSelect);
+	$valOtherSuffix = empty($_POST['otherSuffix']) ? '' : (string) $_POST['otherSuffix'];
+	$container->add(new htmlResponsiveInputField(_('Other'), 'otherSuffix', $valOtherSuffix));
 	// LDAP filter
-	$valFilter = empty($_POST['filter']) ? '(objectClass=inetOrgPerson)' : $_POST['filter'];
-	$container->add(new htmlResponsiveInputField(_('LDAP filter'), 'filter', $valFilter, '701'), 12);
+	$valFilter = empty($_POST['filter']) ? '(objectClass=inetOrgPerson)' : (string) $_POST['filter'];
+	$container->add(new htmlResponsiveInputField(_('LDAP filter'), 'filter', $valFilter, '701'));
 	// operation fields
 	$operationsTitle = new htmlSubTitle(_('Operations'));
 	$operationsTitle->setHelpId('702');
-	$container->add($operationsTitle, 12);
+	$container->add($operationsTitle);
 	$operationsTitles = [_('Type'), _('Attribute name'), _('Value')];
 	$data = [];
 	$opCount = empty($_POST['opcount']) ? '3' : $_POST['opcount'];
@@ -168,9 +170,9 @@ function displayStartPage(): void {
 		$opSelect->setHasDescriptiveElements(true);
 		$data[$i][] = $opSelect;
 		// attribute name
-		$attrVal = empty($_POST['attr_' . $i]) ? '' : $_POST['attr_' . $i];
+		$attrVal = empty($_POST['attr_' . $i]) ? '' : (string) $_POST['attr_' . $i];
 		$data[$i][] = new htmlInputField('attr_' . $i, $attrVal);
-		$valVal = empty($_POST['val_' . $i]) ? '' : $_POST['val_' . $i];
+		$valVal = empty($_POST['val_' . $i]) ? '' : (string) $_POST['val_' . $i];
 		$data[$i][] = new htmlInputField('val_' . $i, $valVal);
 		// check input
 		if (($selOp == ADD) && !empty($attrVal) && empty($valVal)) {
@@ -181,17 +183,17 @@ function displayStartPage(): void {
 		}
 	}
 	$operationsTable = new htmlResponsiveTable($operationsTitles, $data);
-	$container->add($operationsTable, 12);
+	$container->add($operationsTable);
 	// add more fields
 	$container->addVerticalSpacer('1rem');
-	$container->add(new htmlButton('addFields', _('Add more fields')), 12);
-	$container->add(new htmlHiddenInput('opcount', $opCount), 12);
+	$container->add(new htmlButton('addFields', _('Add more fields')));
+	$container->add(new htmlHiddenInput('opcount', $opCount));
 	// error messages
 	if ($errors !== []) {
 		$container->addVerticalSpacer('5rem');
 		foreach ($errors as $error) {
 			$error->colspan = 5;
-			$container->add($error, 12);
+			$container->add($error);
 		}
 	}
 	// action buttons
@@ -205,7 +207,7 @@ function displayStartPage(): void {
 	$dryRunButton = new htmlButton('dryRun', _('Dry run'));
 	$dryRunButton->setCSSClasses(['lam-secondary']);
 	$buttonGroup->addElement($dryRunButton);
-	$container->add($buttonGroup, 12);
+	$container->add($buttonGroup);
 	$container->addVerticalSpacer('1rem');
 
 	// run actions
@@ -226,13 +228,13 @@ function displayStartPage(): void {
  *
  * @param htmlResponsiveRow $container container
  */
-function runActions(htmlResponsiveRow &$container): void {
+function runActions(htmlResponsiveRow $container): void {
 	// LDAP suffix
 	$suffix = ($_POST['suffix'] === '-') ? trim($_POST['otherSuffix']) : $_POST['suffix'];
 	if (empty($suffix)) {
 		$error = new htmlStatusMessage('ERROR', _('LDAP Suffix is invalid!'));
 		$error->colspan = 5;
-		$container->add($error, 12);
+		$container->add($error);
 		return;
 	}
 	// LDAP filter
@@ -247,7 +249,7 @@ function runActions(htmlResponsiveRow &$container): void {
 	if (count($operations) == 0) {
 		$error = new htmlStatusMessage('ERROR', _('Please specify at least one operation.'));
 		$error->colspan = 5;
-		$container->add($error, 12);
+		$container->add($error);
 		return;
 	}
 	$_SESSION['multiEdit_suffix'] = $suffix;
@@ -264,7 +266,7 @@ function runActions(htmlResponsiveRow &$container): void {
 	$ajaxBlock = '
 		window.lam.multiedit.runActions();
 	';
-	$container->add(new htmlJavaScript($ajaxBlock), 12);
+	$container->add(new htmlJavaScript($ajaxBlock));
 }
 
 /**
@@ -419,6 +421,7 @@ function generateActions(): array {
  * Prints the dryRun output.
  *
  * @return array<mixed> status
+ * @throws LAMException error simulating actions
  */
 function dryRun(): array {
 	$pro = isLAMProVersion() ? ' Pro' : '';
diff --git a/lam/templates/tools/ou_edit.php b/lam/templates/tools/ou_edit.php
index 25e54a7e3..1a394ef22 100644
--- a/lam/templates/tools/ou_edit.php
+++ b/lam/templates/tools/ou_edit.php
@@ -18,7 +18,7 @@ use LAM\TYPES\TypeManager;
 /*
 
   This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
-  Copyright (C) 2003 - 2024  Roland Gruber
+  Copyright (C) 2003 - 2025  Roland Gruber
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -206,6 +206,9 @@ function display_main(?string $message, ?string $error): void {
 	$optionsToInsert = [];
 	foreach ($types as $typeId => $title) {
 		$type = $typeManager->getConfiguredType($typeId);
+		if ($type === null) {
+			continue;
+		}
 		$elements = [];
 		$units = searchLDAP($type->getSuffix(), '(|(objectclass=organizationalunit)(objectclass=organization))', ['dn']);
 		foreach ($units as $unit) {
diff --git a/lam/templates/tools/serverInfo.php b/lam/templates/tools/serverInfo.php
index f84a23eff..09dbc59a3 100644
--- a/lam/templates/tools/serverInfo.php
+++ b/lam/templates/tools/serverInfo.php
@@ -2,7 +2,7 @@
 /*
 
   This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
-  Copyright (C) 2009 - 2024  Roland Gruber
+  Copyright (C) 2009 - 2025  Roland Gruber
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -180,7 +180,7 @@ if (isset($monitorEntries['cn=time,cn=monitor']) || isset($monitorEntries['cn=st
 	if (isset($monitorEntries['cn=start,cn=time,cn=monitor'])) {
 		$time = formatLDAPTimestamp($monitorEntries['cn=start,cn=time,cn=monitor']['monitortimestamp'][0]);
 		$container->addLabel(new htmlOutputText('<b>' . _("Start time") . '</b>', false));
-		$container->addField(new htmlOutputText($time), 12);
+		$container->addField(new htmlOutputText($time));
 	}
 	elseif (isset($monitorEntries['cn=monitor']['starttime'])) { // Fedora 389
 		$time = formatLDAPTimestamp($monitorEntries['cn=monitor']['starttime'][0]);
diff --git a/phpstan.neon b/phpstan.neon
index b8ee0ad32..005d0a82b 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -22,15 +22,12 @@ parameters:
 		- '#Used function [a-zA-Z0-9\\_-]+ not found.#'
 		- '#Variable \$helpArray might not be defined.#'
 		- '#Function [a-zA-Z0-9\(\)\\_-]+ has invalid return type [a-zA-Z0-9\\_-]+.#'
-		- '#PHPDoc tag @throws with type LAMException is not subtype of Throwable#'
-		- '#Throwing object of an unknown class [a-zA-Z0-9\\_-]+.#'
 		- '#Parameter \#[0-9] \$[a-zA-Z_]+ of function [a-zA-Z_]+ expects [(]?callable.*#'
 		- '#Call to an undefined method object::.*#'
 		- '#Parameter \#2 \$string of function explode expects string, .* given.#'
 		- '#Parameter \#2 \$result of function ldap_.* expects LDAP\\Result, array\|LDAP\\Result given.#'
 		- '#Cannot access an offset on mixed.#'
 		- '#Cannot access offset .* on mixed.#'
-		- '#Cannot access offset .* on array\|int.#'
 		- '#Cannot access an offset on array\|Countable.#'
 		- '#Cannot assign new offset to list\<string\>\|string.#'
 		- '#Parameter \#1 \$haystack of function str_starts_with expects string, int\|string given.#'
@@ -40,7 +37,6 @@ parameters:
 		- '#Parameter \#1 \$array of function array_keys expects array, mixed given.#'
 		- '#Argument of an invalid type mixed supplied for foreach, only iterables are supported.#'
 		- '#Parameter \#2 \$args of function call_user_func_array expects array<int\|string, mixed>, mixed given.#'
-		- '#Cannot access offset non-falsy-string on array<string>\|object.#'
 		- '#Unable to resolve the template type T in call to function array_values#'
 		- '#Cannot call method .* on mixed.*#'
 		- '#Cannot cast mixed to string.#'
@@ -50,3 +46,4 @@ parameters:
 		- '#Cannot access property .* on mixed#'
 		- '#.* function lamEncrypt expects string.*#'
 		- '#.*class htmlHiddenInput constructor expects string, mixed given.*#'
+		- '#Parameter \#1 \$string of class htmlOutputText constructor expects string, \(array\|float\|int\) given.#'