[2025-05-21 09:51:02] production.DEBUG: Failed to store mail message [ID: 6176] attachment, filename: Paid Research Opportunity – £200 for Your Insights about Machine Learning, exception message: Plank\Mediable\MediaUploader::verifyExtension(): Argument #1 ($extension) must be of type string, null given, called in /home/vocalioio/public_html/crm/vendor/plank/laravel-mediable/src/MediaUploader.php on line 823  
[2025-05-21 10:06:03] production.DEBUG: Failed to store mail message [ID: 6179] attachment, filename: Paid Research Opportunity – £200 for Your Insights about Machine Learning, exception message: Plank\Mediable\MediaUploader::verifyExtension(): Argument #1 ($extension) must be of type string, null given, called in /home/vocalioio/public_html/crm/vendor/plank/laravel-mediable/src/MediaUploader.php on line 823  
[2025-05-21 13:06:02] production.DEBUG: Failed to store mail message [ID: 6210] attachment, filename: Paid Research Opportunity – £200 for Your Insights about Machine Learning, exception message: Plank\Mediable\MediaUploader::verifyExtension(): Argument #1 ($extension) must be of type string, null given, called in /home/vocalioio/public_html/crm/vendor/plank/laravel-mediable/src/MediaUploader.php on line 823