What is the Failed to create directory error message?
From SmartWiki
Q: What is the Failed to create directory error message?
A: If you see an error like this: "Failed to create directory/smartsimple/Tomcat/webapps/ROOT/resources/404091_7f5ea7d83f05b54e/spool/80_1333606_1612048" it is likely due to having exceeded the number of folders created within the system.
The result of this error message is that you will be unable to upload/save new files to the system.