See [[Security/Sandbox#Linux_specific|Activity Logging]] for information on how to debug these scenarios.
security.sandbox.content.level
* See [[Security/Sandbox#Content_Levels_2|Content Levels]] above. Reducing this can help identify sandboxing as the cause of a problem, but you're better of trying the more fine grained permissions below.
security.sandbox.content.read_path_whitelist<br/>