The specified #ajax callback is empty or not callable.

Created on 3 August 2022, over 2 years ago
Updated 13 February 2023, almost 2 years ago

Drupal 9.4.4 (9.4.2 first try)
PHP 8.1.8
"drupal/date_recur": "^3.2", (^3.0 first try)
"drupal/date_recur_modular": "^3.0",

- install and create field and use the Sierra Widget
- select custom from the dropdown and set up the form: repeat every (1) week, select Mon-Fri and then click save
- now get the exception (js console 500er)

Log:

Symfony\Component\HttpKernel\Exception\HttpException: The specified #ajax callback is empty or not callable. in Drupal\Core\Form\FormAjaxResponseBuilder->buildResponse() (Zeile 67 in /var/www/vhosts/abc.de/docroot/core/lib/Drupal/Core/Form/FormAjaxResponseBuilder.php).

btw. many Deprecated informations, example:

Deprecated function: Return type of RRule\RRule::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include() (line 92 of /var/www/vhosts/abc.de/vendor/rlanvin/php-rrule/src/RRule.php).
🐛 Bug report
Status

Fixed

Version

3.1

Component

Code

Created by

🇩🇪Germany HeavyStoneHead

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