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in admin control panel appears this

and this

(2014-03-29, 12:12 PM)redjani Wrote: [ -> ]in admin control panel appears this

and this

disable plugins ... I would guess one is either not installed correctly or has an error in it's coding. If you have just installed a plugin that is the suspect

i delete all my plugins and nothing change

What version of Mybb are you on? This happened with earlier versions, it did not support anything past 5.3 (and you are using 5.4.26).

You could also try replacing admin/inc/class_page.php.

the second is still there :s

What version of mybb are you running?
Can you post the website?

http://secura-alb.cf/
1.6.2

1.6.2 or 1.6.12

If 1.6.2 you really must upgrade.

can i upgrade it without starting from the begining?

Yes you can, take a look at the merge system here.

http://www.mybb.com/downloads/merge-system