Symfony deactivate or disable SoftDeletableFilter if referenced entity gets deleted will get you an 500 error

ControllerToReadDeleted.php

// ... controller Logic use EntityManagerInterface
$filters = $entityManager->getFilters();
$filters->disable('softdeleteable');
// .. get all the needed entitys

EntityWithNullingTheReference.php

class EntityWithNullingTheReference {
    public function removeReferenceEntry(CashbookEntry $cashbookEntry): static
    {
        if ($this->referenceEntries->removeElement($referenceEntry)) {
            // set the owning side to null (unless already changed)
            if ($referenceEntry->getReference() === $this) {
                $referenceEntry->setReference(null);
            }
        }

        return $this;
    }

    /**
     * use the following methods in you're controller to clean the references to NULL
     * $project->resetAllReferenceEntries();
     * $entityManager->remove($project);
     * $entityManager->flush();
     */
    public function resetAllReferenceEntries(): static
    {
        foreach ($this->referenceEntries as $referenceEntry) {
            $this->removeReferenceEntry($referenceEntry);
        }

        return $this;
    }