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Error after upgrading to 2.6.4

This discussion was created from comments split from: Security update: Vanilla 2.6.4.


  • Hi. I've updated to version 2.6.4.

    Do you know when I can't access "forum/dashboard/settings/themes" anymore ?

    I am getting an error : "Something has gone wrong.
    We've run into a problem and are unable to handle this request right now.
    Please check back in a little while."


  • R_JR_J Ex-Fanboy Munich Admin

    "Something has gone wrong" is only a nice placeholder for an ugly error message. You should temporarily add $Configuration['Debug'] = true; to your /conf/config.php

  • Thanks for your answer @R_J

    This is the error I got:

    Fatal Error in Vanilla\AddonManager.lookupAllByType();

    Call to a member function getKey() on null

    The error occurred on or near: /path/forum/library/Vanilla/AddonManager.php

    294: $addons = [];
    295: foreach ($index as $addonDirName => $addonDirPath) {
    296: try {
    297: $addon = $this->lookupSingleCachedAddon($addonDirName, $type);
    298: $addons[$addon->getKey()] = $addon;
    299: } catch (\Exception $ex) {
    300: trigger_error("The $type in $addonDirPath is invalid and will be skipped.", E_USER_WARNING);
    301: // Clear the addon out of the index.
    302: $this->deleteSingleIndexKey($type, $addonDirName);


    [/path/forum/library/core/class.thememanager.php:86] Vanilla\AddonManager->lookupAllByType();
    [/path/forum/applications/dashboard/controllers/class.settingscontroller.php:1831] Gdn_ThemeManager->availableThemes();
    [/path/forum/library/core/class.dispatcher.php:845] SettingsController->themes();
    [/path/forum/library/core/class.dispatcher.php:274] Gdn_Dispatcher->dispatchController();
    [/path/forum/index.php:29] Gdn_Dispatcher->dispatch();

  • R_JR_J Ex-Fanboy Munich Admin

    Sounds as if you have a corrupt theme. Do you have any custom theme in the /themes folder?

    But maybe it is already solved by deleting /cache/theme-index.php and /cache/theme/*

  • Thanks, It worked!

    I've delete all my themes, re-uploaded the vanilla ones, and delete the two files above it worked!

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