serious software error when creating pages + where to log bugs?

i'm seeing a bug with the pages plugin presently.. what is the most appropriate place to log bugs now? create a github issue? or a message here?

fyi, i am seeing 'serious software error has occurred' when non admins create pages:

2013/04/15 14:08:46 [error] 2543#0: *492934 FastCGI sent in stderr: "PHP message: Exception #1366031326: exception 'IOException' with message 'unable to save new object's base entity information!' in /mypath/engine/classes/ElggEntity.php:1292