The AD FS troubleshooting log is not able to create a log file. Directory: %2 File to be created: %3 File creation error: ...

The AD FS troubleshooting log is not able to create a log file. 
Directory: %2 
File to be created: %3 
File creation error: %4 

Troubleshooting information will be lost until this condition is corrected. This event will recur every %1 minutes until the condition is corrected.
Retry period: %1 

User Action 
Check the permissions on the log file directory.