Php.cron and recognize crashes on nc25

NC Version: 25 on latest official docker image 25.0.0

Hi nextcloudies,
cron.php crashes with this message if recognize enabled:

DivisionByZeroError: Division by zero in /var/www/html/custom_apps/recognize/lib/Service/FaceClusterAnalyzer.php:190 Stack trace: #0 [internal function]: OCA\Recognize\Service\FaceClusterAnalyzer::OCA\Recognize\Service\{closure}(0) #1 /var/www/html/custom_apps/recognize/lib/Service/FaceClusterAnalyzer.php(189): array_map(Object(Closure), Array) #2 /var/www/html/custom_apps/recognize/lib/Service/FaceClusterAnalyzer.php(90): OCA\Recognize\Service\FaceClusterAnalyzer::calculateCentroidOfDetections(Array) #3 /var/www/html/custom_apps/recognize/lib/BackgroundJobs/ClusterFacesJob.php(28): OCA\Recognize\Service\FaceClusterAnalyzer->calculateClusters('caro') #4 /var/www/html/lib/public/BackgroundJob/Job.php(78): OCA\Recognize\BackgroundJobs\ClusterFacesJob->run(Array) #5 /var/www/html/lib/public/BackgroundJob/QueuedJob.php(58): OCP\BackgroundJob\Job->start(Object(OC\BackgroundJob\JobList)) #6 /var/www/html/lib/public/BackgroundJob/QueuedJob.php(48): OCP\BackgroundJob\QueuedJob->start(Object(OC\BackgroundJob\JobList)) #7 /var/www/html/cron.php(152): OCP\BackgroundJob\QueuedJob->execute(Object(OC\BackgroundJob\JobList), Object(OC\Log)) #8 {main}