Upgrade issue - forum down - An exception occurred: [Error] Call to undefined method XF\ComposerAutoload::checkPaths() in src/XF.php on line 292

[philmckrackon]

This is my upraade error.

Code:

Code:

An exception occurred: [Error] Call to undefined method XF\ComposerAutoload::checkPaths() in src/XF.php on line 292

    XF::registerComposerAutoloadDir() in src/XF/App.php at line 2327
    XF\App->setupAddOnComposerAutoload() in src/XF/Install/App.php at line 160
    XF\Install\App->setup() in src/XF.php at line 490
    XF::setupApp() in src/XF/Install/_upgrader/core.php at line 1184
    XFUpgraderWeb::create() in install/oc-upgrader.php at line 13

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