Issue: Xenforo: Fatal Error: attempted to instantiate non-existent class vw_Help_View

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July 12, 2015 3:09 PM

TheVoid

New Member

Xenforo: Fatal Error: attempted to instantiate non-existent class vw_Help_View

Sorry for the multiple issues in such a short space of time. Definitely have debug mode disabled, and this appears when navigating to the Wiki tab of the Admin CP:

Code:

Fatal Error: attempted to instantiate non-existent class vw_Help_View

#0 vw_Hard_Core::fetch_object() called at [./vault/core/model/vw.php:557]
#1 vw_Hard_Core::view() called at [./vault/core/view/cp/xf.php:138]
#2 vw_CP_View_XF->print_control_row() called at [./vault/core/view/cp/index/vw.php:87]
#3 vw_CP_Index_View->version() called at [./vault/core/view/cp/index/vw.php:36]
#4 vw_CP_Index_View->_default() called at [./vault/core/controller/cp/index/vw.php:48]
#5 vw_CP_Index_Controller->_default() called at [./vault/core/controller/cp/index/vw.php:35]
#6 vw_CP_Index_Controller->execute() called at [./library/vw/XenForo/ControllerAdmin/Wiki.php:113]
#7 vw_XenForo_ControllerAdmin_Wiki->actionIndex() called at [./library/XenForo/FrontController.php:347]
#8 XenForo_FrontController->dispatch() called at [./library/XenForo/FrontController.php:134]
#9 XenForo_FrontController->run() called at [./admin.php:13]

Please forward this error to VaultWiki technical support at [url]https://www.vaultwiki.org/support/4X/[/url] or email [email]support@vaultwiki.org[/email].

Issue Details

Issue Number 4339

Issue Type Bug

Project VaultWiki 4.x Series

Category Admin Panel

Status Not a Bug

Priority 2 - Fatal / Database Errors

Affected Version 4.0.4

Fixed Version (none)

Milestone (none)

Software DependencyXenForo 1.x

License TypePaid

Users able to reproduce bug 0

Users unable to reproduce bug 0

Attachments 0

Assigned Users (none)

Tags (none)

July 12, 2015 3:41 PM

pegasus

VaultWiki Team

The following file may not have been uploaded:
/vault/core/view/help/vw.php
Double check your server and your ZIP package for the presence of this file.

Reply

July 12, 2015 5:41 PM

TheVoid

New Member

That was exactly the problem, thanks. I think we may have messed up the installation more than expected - we are upgraded from an unused and uninstalled lite version. While VaultWiki was "Upgrading to Full", we got this error:

Code:

Upgrading to Full
Step 3

Updating data in table: vw_link

An exception occurred: Database Error: SELECT `c`.*,`i`.*,`r`.*,`page`.*,`likes`.`likes`,`likes`.`like_users`, IF(`sub`.`userid`, 1, 0) AS `issubscribed`,`mk`.`readtime`,`r`.`dateline` AS `edit_dateline`,`r`.`flags` + 0 AS `flags`,`r`.`parentid` AS `edit_parentid`,`page`.`pageid` FROM `vw_page` `page` LEFT JOIN `vw_route` `i` ON (`page`.`pageid` = `i`.`itemid` AND `i`.`itemtypeid` = 1) LEFT JOIN `vw_counter` `c` ON (`c`.`pageid` = `page`.`pageid`) LEFT JOIN `vw_revision` `r` ON (`r`.`revisionid` = `page`.`revisionid`) LEFT JOIN `vw_markread` `mk` ON (`mk`.`itemtypeid` = 1 AND `mk`.`itemid` = `page`.`pageid` AND `mk`.`userid` = 7) LEFT JOIN `vw_subscribe` `sub` ON (`sub`.`nodetypeid` = 1 AND `sub`.`nodeid` = `page`.`pageid` AND `sub`.`userid` = 7) LEFT JOIN `vw_likes` `likes` ON (`likes`.`itemtypeid` = 1 AND `likes`.`itemid` = `page`.`pageid`) WHERE `page`.`pageid` IN (8,9,10) LIMIT 3 Mysqli prepare error: Unknown column 'c.pageid' in 'on clause' in /usr/share/nginx/html/vault/core/controller/db/xf.php on line 171

    vw_DB_Controller_XF->throw_error() in vault/core/controller/db/xf.php at line 185
    vw_DB_Controller_XF->query_read() in vault/core/model/db/mysql/vw.php at line 29
    vw_DB_MySQL_Model->select() in vault/core/controller/fetch/vw.php at line 211
    vw_Fetch_Controller->get() in vault/core/controller/install/upgradepath/steps/lite/vw.php at line 112
    vw_Install_UpgradePath_Steps_Lite_Controller->{closure}() in vault/core/controller/install/upgradepath/vw.php at line 63
    vw_Install_UpgradePath_Controller->call() in vault/core/controller/cp/install/vw.php at line 336
    vw_CP_Install_Controller->exec_step() in vault/core/controller/cp/install/vw.php at line 256
    vw_CP_Install_Controller->upgrade() in vault/core/controller/cp/install/vw.php at line 59
    vw_CP_Install_Controller->execute() in library/vw/XenForo/ControllerAdmin/Wiki.php at line 113
    vw_XenForo_ControllerAdmin_Wiki->actionIndex() in library/vw/XenForo/ControllerAdmin/Wiki.php at line 170
    vw_XenForo_ControllerAdmin_Wiki->actionUpgrade() in library/XenForo/FrontController.php at line 347
    XenForo_FrontController->dispatch() in library/XenForo/FrontController.php at line 134
    XenForo_FrontController->run() in admin.php at line 13

Our vw_link table looks like this: http://gyazo.com/d018c320d8cee2601e2817cb7877cfb5

I'm exceptionally sorry that we've caused so much trouble with the installation - will be glad to have it all setup.

July 12, 2015 9:30 PM

pegasus

VaultWiki Team

Use the Manual Mode upgrader and skip this step by changing the step number in the URL. If it was an unused Lite install then you don't really need it.

If you are right and the Lite version was not fully uninstalled before, hopefully the installation is okay after the upgrade. It can be hard to tell if the partly-uninstalled state will have a negative effect in the end. Right now it is just making the upgrade difficult with some errors because the previous version number is not known.

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Issue: Xenforo: Fatal Error: attempted to instantiate non-existent class vw_Help_View

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