[Bug] Error after installing formuilder

[JustMe69]

Using PimCore 11.5.3, formbuilder 5.2.0

I did:

• composer require "dachcom-digital/formbuilder":"~5.2.0"
• added formuilder to bundles.php FormBuilderBundle\FormBuilderBundle::class => ['all' => true],
• executed bin/console pimcore:bundle:install FormBuilderBundle

Composer went fine, but while installing the bundle I got on console:

In MappingException.php line 26:

The class 'FormBuilderBundle\Model\OutputWorkflow' was not found in the chain configured namespaces Pimcore\Bundle\GenericExecutionEngineBundle\Entity

When trying to access pimcore backend I see:

I checked migrations, all are executed, for formbuilder and all other bundles.

Is that something I'm doing wrong?

Even uninstalling and deactivating the bundle is not possible, I copied database new, error says:

Update: For uninstalling I had to additionally delete manually the 4 formbuildertables in database.