cannot move or delete a post?

[technom8t]

Hi There,

just installed 3.7.1, from new and now when i try to delete or move a post im receiving this error message? any help appreciated?


Your submission could not be processed because a security token was missing or mismatched.

If this occurred unexpectedly, please inform the administrator and describe the action you performed before you received this error.

[Wayne Luke]

This is most likely caused by an out of date style that needs to be updated to be compatible with versions higher than 3.6.10. Please create a new style with no parent and try the issue again using that style.