looks like a missing rule that generates the error, between rule and execution error there should be the rule id and the filename in which this is saved.
Try to increase to 9 the level of the mod_security debug log, then reload Apache:
And reload the admin page. See if you get other useful information. A part this, it can be useful to see the contents of mod_security.conf.
Code: Select all
SecDebugLog /tmp/modsecurity_debug.log SecDebugLogLevel 9
I think it's a mod_security mis-configuration.