**[5] Working with the bundle** `'entry_type' => new OptionsFilterType()` should be `'entry_type' => OptionsFilterType::class` First one results in `Expected argument of type "string", "...\OptionsFilterType" given`.
[5] Working with the bundle
'entry_type' => new OptionsFilterType()should be'entry_type' => OptionsFilterType::classFirst one results in
Expected argument of type "string", "...\OptionsFilterType" given.