PHP Fatal error on NC 30.0.10

[farrad]

After upgrading to NC 30.0.10, when attempting to ./occ maintenance:repair --include-expensive I am getting the following error:

PHP Fatal error:  Declaration of OCA\MultiBoards\Migration\ITrueMimeTypeLoader::updateFilecache($ext, $mimeTypeId) must be compatible with OCP\Files\IMimeTypeLoader::updateFilecache(string $ext, int $mimeTypeId): int in /var/www/html/custom_apps/multiboards/lib/Migration/AddMimetypeStep.php on line 18

NC version: nextcloud:30.0.10-fpm-alpine Docker image
MultiBoards version: v1.0.4

[quenenni]

Same here with Nc v30.0.11.

Debian 12
Nginx / Mariadb / php8.3
Multiboards v1.0.4

Nothing fixed of developed since a year. I have a bad feeling about this app.