The cObject Viewhelpers not working in RTE with TYPO3 12.4

[t3touch]

If I add an inline VH in an RTE field these error occours:

(1/1) TypeError
TYPO3\CMS\Fluid\ViewHelpers\CObjectViewHelper::getContentObjectRenderer(): Argument #1 ($request) must be of type Psr\Http\Message\ServerRequestInterface, null given, called in /var/www/html/vendor/typo3/cms-fluid/Classes/ViewHelpers/CObjectViewHelper.php on line 130

at TYPO3\CMS\Fluid\ViewHelpers\CObjectViewHelper::renderStatic(array('data' => null, 'typoscriptObjectPath' => 'lib.test', 'currentValueKey' => null, 'table' => ''), object(Closure), object(TYPO3\CMS\Fluid\Core\Rendering\RenderingContext))

[lisardo2]

Same problem here: https://stackoverflow.com/questions/78168005/typoscriptobjectpath-throws-error-in-powermail-12
the error is only thrown in the frontend output not in the mail templates. See:

powermail/Classes/Utility/TemplateUtility.php

Line 98 in a6e5d92

public static function getDefaultStandAloneView(

[julianhofmann]

Seems to be caused in TYPO3 v12 by "Breaking: #98377 - Fluid StandaloneView does not create an Extbase Request anymore"

[adudtkowski]

I had the same problem when using f:cObject in the RTE for sender mail content (powermail 12.3.1, TYPO3 12.4.14).

This patch helped in my usecase:
powermail-fix-cObject-viewhelper-in-rte.patch