Error while installing "Class does not comply with psr-4 autoloading standard"

[ximAABacon]

Hi. I am trying to install the plugin but i keep getting this error while running

composer require instride/data-definitions

./composer.json has been updated
Running composer update instride/data-definitions
Loading composer repositories with package information
Updating dependencies
Lock file operations: 2 installs, 0 updates, 0 removals
  - Locking instride/data-definitions (1.2.1)
  - Locking pimcore/installer-plugin (1.5)
Writing lock file
Installing dependencies from lock file (including require-dev)
Package operations: 2 installs, 0 updates, 0 removals
  - Downloading pimcore/installer-plugin (1.5)
  - Downloading instride/data-definitions (1.2.1)
pimcore/installer-plugin (installed globally) contains a Composer plugin which is currently not in your allow-plugins config. See https://getcomposer.org/allow-plugins
Do you trust "pimcore/installer-plugin" to execute code and wish to enable it now? (writes "allow-plugins" to composer.json) [y,n,d,?] y
  - Installing pimcore/installer-plugin (1.5): Extracting archive
Loading "pimcore/installer-plugin" (installed globally) which is a legacy composer-installer built for Composer 1.x, it is likely to cause issues as you are running Composer 2.x.
  - Installing instride/data-definitions (1.2.1): Extracting archive
Package php-http/message-factory is abandoned, you should avoid using it. Use psr/http-factory instead.
Package pimcore/installer-plugin is abandoned, you should avoid using it. No replacement was suggested.
Generating optimized autoload files
Class ImportDefinitions\Console\Command\ImportCommand located in ./plugins/DataDefinitions/lib/ImportDefinitions/Console/Command/ImportCommand.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Console\Command\ListCommand located in ./plugins/DataDefinitions/lib/ImportDefinitions/Console/Command/ListCommand.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Plugin located in ./plugins/DataDefinitions/lib/ImportDefinitions/Plugin.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Maintenance located in ./plugins/DataDefinitions/lib/ImportDefinitions/Maintenance.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Cleaner\Unpublisher located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Cleaner/Unpublisher.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Cleaner\AbstractCleaner located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Cleaner/AbstractCleaner.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Cleaner\None located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Cleaner/None.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Cleaner\Deleter located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Cleaner/Deleter.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Cleaner\ReferenceCleaner located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Cleaner/ReferenceCleaner.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Definition\Dao located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Definition/Dao.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Definition\Listing\Dao located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Definition/Listing/Dao.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Definition\Listing located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Definition/Listing.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Setter\ObjectType located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Setter/ObjectType.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Setter\AbstractSetter located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Setter/AbstractSetter.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Setter\Key located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Setter/Key.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Setter\Objectbrick located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Setter/Objectbrick.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Setter\Fieldcollection located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Setter/Fieldcollection.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Setter\Classificationstore located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Setter/Classificationstore.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Setter\Localizedfield located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Setter/Localizedfield.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Definition located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Definition.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\AbstractProvider located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/AbstractProvider.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Filter\AbstractFilter located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Filter/AbstractFilter.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Log located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Log.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Provider\Xml located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Provider/Xml.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Provider\Csv located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Provider/Csv.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Provider\Sql located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Provider/Sql.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Provider\Json located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Provider/Json.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Placeholder located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Placeholder.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Log\Dao located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Log/Dao.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Log\Listing\Dao located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Log/Listing/Dao.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Log\Listing located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Log/Listing.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Runner\AbstractRunner located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Runner/AbstractRunner.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Mapping located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Mapping.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Mapping\FromColumn located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Mapping/FromColumn.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Mapping\AbstractColumn located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Mapping/AbstractColumn.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Mapping\ToColumn located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Mapping/ToColumn.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Interpreter\AssetsUrl located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Interpreter/AssetsUrl.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Interpreter\Checkbox located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Interpreter/Checkbox.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Interpreter\QuantityValue located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Interpreter/QuantityValue.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Interpreter\AbstractInterpreter located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Interpreter/AbstractInterpreter.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Interpreter\MultiHref located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Interpreter/MultiHref.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Interpreter\AssetUrl located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Interpreter/AssetUrl.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Interpreter\Href located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Interpreter/Href.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ImportDefinitions\Model\Interpreter\DefaultValue located in ./plugins/DataDefinitions/lib/ImportDefinitions/Model/Interpreter/DefaultValue.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
Class ProcessManager\Model\Type\ImportDefinition located in ./plugins/DataDefinitions/lib/ProcessManager/Model/Type/ImportDefinition.php does not comply with psr-4 autoloading standard (rule: ImportDefinitions\ => ./plugins/DataDefinitions/lib). Skipping.
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> Pimcore\Composer::postUpdate
> Pimcore\Composer::clearCache

 // Clearing the cache for the dev environment with debug true                  

                                                                                
 [OK] Cache for the "dev" environment (debug=true) was successfully cleared.    
                                                                                

> Pimcore\Composer::installAssets

 Trying to install assets as relative symbolic links.

 --- ------------------------------------------ ------------------ 
      Bundle                                     Method / Error    
 --- ------------------------------------------ ------------------ 
  ✔   FOSJsRoutingBundle                         relative symlink  
  ✔   PimcoreAdminBundle                         relative symlink  
  ✔   PimcoreCustomReportsBundle                 relative symlink  
  ✔   PimcoreDataHubBundle                       relative symlink  
  ✔   PimcoreApplicationLoggerBundle             relative symlink  
  ✔   PimcorePersonalizationBundle               relative symlink  
  ✔   PimcoreEcommerceFrameworkBundle            relative symlink  
  ✔   PimcoreGoogleMarketingBundle               relative symlink  
  ✔   PimcoreCustomerManagementFrameworkBundle   relative symlink  
  ✔   PimcoreNewsletterBundle                    relative symlink  
  ✔   PimcoreGlossaryBundle                      relative symlink  
  ✔   PimcoreSeoBundle                           relative symlink  
  ✔   PimcoreSimpleBackendSearchBundle           relative symlink  
  ✔   OutputDataConfigToolkitBundle              relative symlink  
  ✔   Web2PrintToolsBundle                       relative symlink  
  ✔   ObjectMergerBundle                         relative symlink  
  ✔   PimcoreWebToPrintBundle                    relative symlink  
  ✔   PimcoreTinymceBundle                       relative symlink  
  ✔   PimcoreStaticRoutesBundle                  relative symlink  
  ✔   PimcoreWordExportBundle                    relative symlink  
  ✔   PimcoreXliffBundle                         relative symlink  
  ✔   PimcoreDataImporterBundle                  relative symlink  
  ✔   PimcoreCoreBundle                          relative symlink  
 --- ------------------------------------------ ------------------ 

                                                                                
 [OK] All assets were successfully installed.                                   
                                                                                

No security vulnerability advisories found.
Using version ^1.2 for instride/data-definitions

The next step in the doc

// Add to config/bundles.php
return [
    // ...
    Instride\DataDefinitionsBundle\DataDefinitionsBundle::class => ['all' => true],
];

is not possible because the plugin classes are not found.

[dpfaffenbauer]

please specify the version you want to install "composer require instride/data-definitions:^4"

[ximAABacon]

please specify the version you want to install "composer require instride/data-definitions:^4"

thanks @dpfaffenbauer that got me a step further, now i get the next error

Symfony\Component\ErrorHandler\Error\ClassNotFoundError^ {#26
  #message: """
    Attempted to load class "DataDefinitionsBundle" from namespace "Wvision\Bundle\DataDefinitionsBundle".\n
    Did you forget a "use" statement for another namespace?
    """
  #code: 0
  #file: "./vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php"
  #line: 136
  trace: {
    ./vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:136 { …}
    ./vendor/pimcore/pimcore/lib/Kernel.php:190 { …}
    ./vendor/symfony/http-kernel/Kernel.php:346 { …}
    ./vendor/symfony/http-kernel/Kernel.php:770 { …}
    ./vendor/symfony/http-kernel/Kernel.php:126 { …}
    ./vendor/pimcore/pimcore/lib/Kernel.php:142 { …}
    ./vendor/pimcore/pimcore/lib/Bootstrap.php:258 { …}
    ./vendor/pimcore/pimcore/lib/Bootstrap.php:67 { …}
    ./bin/console:36 {
      {closure}^
      › return function (array $context) {
      ›     $kernel = \Pimcore\Bootstrap::startupCli();
      ›     return new Application($kernel);
    }
    ./vendor/symfony/runtime/Resolver/DebugClosureResolver.php:25 { …}
    ./vendor/autoload_runtime.php:24 { …}
    ./bin/console:20 { …}
  }
}
2024-11-22T06:31:01+00:00 [info] User Deprecated: Method "Symfony\Component\HttpKernel\Bundle\Bundle::build()" might add "void" as a native return type declaration in the future. Do the same in child class "Pimcore\Bundle\DataHubBundle\PimcoreDataHubBundle" now to avoid errors or add an explicit @return annotation to suppress this message.
2024-11-22T06:31:01+00:00 [critical] Uncaught Error: Class "Wvision\Bundle\DataDefinitionsBundle\DataDefinitionsBundle" not found

[dpfaffenbauer]

its not Wvision\Bundle\DataDefinitionsBundle, its Instride\Bundle\DataDefinitionsBundle

[ximAABacon]

its not Wvision\Bundle\DataDefinitionsBundle, its Instride\Bundle\DataDefinitionsBundle

Sorry, tried both, the error is similar:

Symfony\Component\ErrorHandler\Error\ClassNotFoundError^ {#26
  #message: """
    Attempted to load class "DataDefinitionsBundle" from namespace "Instride\Bundle\DataDefinitionsBundle".\n
    Did you forget a "use" statement for another namespace?
    """
  #code: 0
  #file: "./vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php"
  #line: 136
  trace: {
    ./vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:136 { …}
    ./vendor/pimcore/pimcore/lib/Kernel.php:190 { …}
    ./vendor/symfony/http-kernel/Kernel.php:346 { …}
    ./vendor/symfony/http-kernel/Kernel.php:770 { …}
    ./vendor/symfony/http-kernel/Kernel.php:126 { …}
    ./vendor/pimcore/pimcore/lib/Kernel.php:142 { …}
    ./vendor/pimcore/pimcore/lib/Bootstrap.php:258 { …}
    ./vendor/pimcore/pimcore/lib/Bootstrap.php:67 { …}
    ./bin/console:36 {
      {closure}^
      › return function (array $context) {
      ›     $kernel = \Pimcore\Bootstrap::startupCli();
      ›     return new Application($kernel);
    }
    ./vendor/symfony/runtime/Resolver/DebugClosureResolver.php:25 { …}
    ./vendor/autoload_runtime.php:24 { …}
    ./bin/console:20 { …}
  }
}
2024-11-22T07:00:35+00:00 [info] User Deprecated: Method "Symfony\Component\HttpKernel\Bundle\Bundle::build()" might add "void" as a native return type declaration in the future. Do the same in child class "Pimcore\Bundle\DataHubBundle\PimcoreDataHubBundle" now to avoid errors or add an explicit @return annotation to suppress this message.
2024-11-22T07:00:35+00:00 [critical] Uncaught Error: Class "Instride\Bundle\DataDefinitionsBundle\DataDefinitionsBundle" not found

[dpfaffenbauer]

Sorry, then I don't know how to help you... We are using this in all of our installations and it works...