Steps to reproduce the issue

After last git udate i heve this bug in frontend view
Serialization of 'Closure' is not allowed

Call stack

| Function | Location

1 | () | JROOT\libraries\src\Document\HtmlDocument.php:472
2 | serialize() | JROOT\libraries\src\Document\HtmlDocument.php:472
3 | Joomla\CMS\Document\HtmlDocument->getBuffer() | JROOT\libraries\src\Document\HtmlDocument.php:797
4 | Joomla\CMS\Document\HtmlDocument->_renderTemplate() | JROOT\libraries\src\Document\HtmlDocument.php:569
5 | Joomla\CMS\Document\HtmlDocument->render() | JROOT\libraries\src\Application\CMSApplication.php:986
6 | Joomla\CMS\Application\CMSApplication->render() | JROOT\libraries\src\Application\SiteApplication.php:764
7 | Joomla\CMS\Application\SiteApplication->render() | JROOT\libraries\src\Application\CMSApplication.php:239
8 | Joomla\CMS\Application\CMSApplication->execute() | JROOT\includes\app.php:63
9 | require_once() | JROOT\index.php:36

in backend no problem

Expected result

Actual result

System information (as much as possible)

Additional comments