Fatal Error call to a member function

[falcon56]

who to solve this error ?

Fatal error: Call to a member function on a non-object in c:\program files\easyphp1-8\www\vb\admincp\vbacmps_install.php on line 1498


thanks

[ConqSoft]

Did you download the correct version of CMPS for your version of vBulletin?

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[falcon56]

ok sorry for this post
I download the wrong version