It is possible to install bbpress only after disactivation of all in all in one seo plugin. When it switched on there are no permission error. What can i do with this problem?

[@jaredatch Member 11 years, 8 months ago]

The AIOSEO team is aware of it and it should be fixed soon.

https://wordpress.org/support/topic/version-20-broke-bbpress-231?replies=6