My b2evolution Version: 3.3.3

Hey guys.

after installing b2evolution and going to the index page i get following error:

MySQL error!

Can't create/write to file '/dev/shm/#sql_265d_0.MYI' (Errcode: 13)(Errno=1)

Your query: Results::Query()

SELECT evo_blogs.*, user_login

FROM evo_blogs INNER JOIN evo_users ON blog_owner_user_ID = user_ID

ORDER BY blog_ID ASC

LIMIT 0, 20

can someone help please.