Can't update from 3.5.15

Need Help
#1

I’ve tried updating from 3.5.15 to 3.7.4 using both the back end update and command line. I’m getting this error sequence.
Loading composer repositories with package information
Updating dependencies
Nothing to modify in lock file
Installing dependencies from lock file (including require-dev)
Nothing to install, update or remove
Generating autoload files

System\Console\ComposerScript::postAutoloadDump

In Macroable.php line 113:

Method October\Rain\Foundation\Application::extendInstance does not exist.

96 packages you are using are looking for funding.
Use the composer fund command to find out more!

System\Console\ComposerScript::postUpdateCmd

In Macroable.php line 113:

Method October\Rain\Foundation\Application::extendInstance does not exist.

In Macroable.php line 113:

Method October\Rain\Foundation\Application::extendInstance does not exist.

#2

Hey @ndcisiv

It looks like something went wrong during the update (perhaps from the backend). Please run composer update to repair your installation.

If there are package errors that occur during that update process, it should tell you what to do next…

#3

Not sure what happened initially but clearing out the vendor directory and re-running composer update seems to have fixed it. Thanks!

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