Error when running composer update or composer install on new app from template

[Luke Holder]

➜  nocap git:(main) ✗ composer install
Installing dependencies from lock file (including require-dev)
Verifying lock file contents can be installed on current platform.
Nothing to install, update or remove
Generating autoload files
Generating attributes file

In MemoizeClassMapGenerator.php line 97:
                                                                  
  [Error]                                                         
  Class "Composer\ClassMapGenerator\ClassMapGenerator" not found  
                                                                  

Exception trace:
  at /Users/luke/Code/Php/nocap/vendor/olvlvl/composer-attribute-collector/src/MemoizeClassMapGenerator.php:97
 olvlvl\ComposerAttributeCollector\MemoizeClassMapGenerator->scanPaths() at /Users/luke/Code/Php/nocap/vendor/olvlvl/composer-attribute-collector/src/ClassMapBuilder.php:53
 olvlvl\ComposerAttributeCollector\ClassMapBuilder->buildClassMap() at /Users/luke/Code/Php/nocap/vendor/olvlvl/composer-attribute-collector/src/Plugin.php:115
 olvlvl\ComposerAttributeCollector\Plugin::dump() at /Users/luke/Code/Php/nocap/vendor/olvlvl/composer-attribute-collector/src/Plugin.php:90
 olvlvl\ComposerAttributeCollector\Plugin::onPostAutoloadDump() at n/a:n/a
 call_user_func() at phar:///usr/local/bin/composer/src/Composer/EventDispatcher/EventDispatcher.php:202
 Composer\EventDispatcher\EventDispatcher->doDispatch() at phar:///usr/local/bin/composer/src/Composer/EventDispatcher/EventDispatcher.php:125
 Composer\EventDispatcher\EventDispatcher->dispatchScript() at phar:///usr/local/bin/composer/src/Composer/Autoload/AutoloadGenerator.php:431
 Composer\Autoload\AutoloadGenerator->dump() at phar:///usr/local/bin/composer/src/Composer/Installer.php:341
 Composer\Installer->run() at phar:///usr/local/bin/composer/src/Composer/Command/InstallCommand.php:137
 Composer\Command\InstallCommand->execute() at phar:///usr/local/bin/composer/vendor/symfony/console/Command/Command.php:298
 Symfony\Component\Console\Command\Command->run() at phar:///usr/local/bin/composer/vendor/symfony/console/Application.php:1024
 Symfony\Component\Console\Application->doRunCommand() at phar:///usr/local/bin/composer/vendor/symfony/console/Application.php:299
 Symfony\Component\Console\Application->doRun() at phar:///usr/local/bin/composer/src/Composer/Console/Application.php:335
 Composer\Console\Application->doRun() at phar:///usr/local/bin/composer/vendor/symfony/console/Application.php:171
 Symfony\Component\Console\Application->run() at phar:///usr/local/bin/composer/src/Composer/Console/Application.php:130
 Composer\Console\Application->run() at phar:///usr/local/bin/composer/bin/composer:88
 require() at /usr/local/bin/composer:29

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