Unable to load processor

[verstratenbram]

Сообщение об ошибке / Error message

Unable to load processor for action "getResourceFields", it does not exist as an autoloadable class that extends \MODX\Revolution\Processors\Processor, and also not as a file in "/.../public_html/core/components/ace/processors/getResourceFields.class.php"

Резюме / Summary

Code completion appears to be not working.

Шаг для воспроизведения / Step to play

Create a chunk. In the code field press ctrl+space. Type "pagetitle".

Наблюдаемое поведение / Observed behavior

Pagetitle is not in the code completion list. An error is added to the error log.

Ожидаемое поведение / Expected behavior

Pagetitle should be in the list.

Environment

Modx 3.0.4-pl
PHP 8.1