FILE_LOGGER error on MPs post upgrade to OPDK 4.16.01

[akashtp]

What is the cause of the below error seen on MPs?

2016-05-10 11:39:13,115  main ERROR FILE_LOGGER - FileWriter.onThreadInit() : Exception in init for file destination : /opt/SP/apigee/var/log/edge-message-processor/messagelogging/ORG_APIX_M2M/m2m-test2/m2m-reports/17/Common.MessageLogging/../../../../../apix/apix.log

java.lang.Exception: Error creating directory /opt/SP/apigee/var/log/edge-message-processor/messagelogging/ORG_APIX_M2M/m2m-test2/m2m-reports/17/Common.MessageLogging/../../../../../apix

2016-05-10 11:39:13,115  Thread-58 ERROR FILE_LOGGER - BufferedWriter.run() : threadInit failed

[akashtp]

These errors are from the Message Logging policy. Its a permission issue. Changing the permission of the folder "/opt/SP/apigee/var/log/edge-message-processor/messagelogging/" should ideally resolve the issue.