Help Please, Fatal error : class_dm_forum.php

[AtillaKral]

Hi,

my english is not very well

My forum version upgraded to 3.7.3.

İ took this error massage when i send a new massage and post new thread;

Fatal error: Call to undefined function () in /home/****/domains/*****.com/public_html/includes/class_dm_forum.php on line 13

And there is this massage on 13. line

if (!class_exists('vB_DataManager')).

And, the forum does not show new messages, and i coluld not see the posted massage without look at the thread…

Quickly help please!

[Lynne]

I would try reuploading your files. It sounds like you may be either missing one or it didn't upload correctly.

[AtillaKral]

thank you very much :)

and from vbulletin.com

Looks like a bad file or add-on.

To troubleshoot this, first reupload all the original vB non-image files (except install.php). Make sure you upload these in ASCII format and overwrite the ones on the server. Also be sure to upload the admincp files to whichever directory you have set in your config.php file. Then run 'Suspect File Versions' in Diagnostics to make sure you have all the original files for your version and that none show 'File does not contain expected contents':

Admin CP -> Maintenance -> Diagnostics -> Suspect File Versions

[Note: In some cases you may also need to remove any of the listed .xml files in the includes/xml directory.]

Next, disable all plugins.

Note: To temporarily disable the plugin system, edit config.php and add this line right under <?php

define('DISABLE_HOOKS', true);

Then if you still have this problem, create a new style and choose no parent style. This will force it to use the default templates. Finally empty your browser cache, close all browser windows then try again. Make sure you change to the new style and view your forums with it. Do you have the same problem?