WARNING: mkdir(): File exists at line 670 in /Volumes/Library/WebDocuments/src/library/PartitionDocumentBundle.php
  in mkdir, line 670 in /Volumes/Library/WebDocuments/src/library/PartitionDocumentBundle.php 
  called from seekquarry\yioop\library\PartitionDocumentBundle->advanceSavePartition, line 579 in /Volumes/Library/WebDocuments/src/library/PartitionDocumentBundle.php 
  called from seekquarry\yioop\library\PartitionDocumentBundle->put, line 710 in /Volumes/Library/WebDocuments/src/models/ImpressionModel.php 
  called from seekquarry\yioop\models\ImpressionModel->addWithDb, line 90 in /Volumes/Library/WebDocuments/src/models/ImpressionModel.php 
  called from seekquarry\yioop\models\ImpressionModel->add, line 4484 in /Volumes/Library/WebDocuments/src/controllers/components/SocialComponent.php 
...