Deleting Custom Handler in EAP6 results in error

Issue

• On trying to remove a custom handler from CLI , below error is seen.

Command:

/subsystem=logging/custom-handler=APPLMON/:remove

Output:

{
    "outcome" => "failed",
    "failure-description" => "JBAS014749: Operation handler failed: No reference found for 'org.jboss.as.logging.logmanager.Log4jAppenderHandler'",
    "rolled-back" => true
}