The specified version string '8.133.5.hotfix' does not conform to the required format - major[.minor[.build[.revision]]]

Process completed with exit code 1.

Possible null reference argument for parameter 'parentId' in 'Activity Activity.SetParentId(string parentId)'.

Nullability of reference types in return type of 'Task<PostalInformationResponse?> GrarClient.GetPostalInformation(string postcode)' doesn't match implicitly implemented member 'Task<PostalInformationResponse> IGrarClient.GetPostalInformation(string postcode)'.

'Contactgegevens.Empty' hides inherited member 'ReadOnlyCollection<Contactgegeven>.Empty'. Use the new keyword if hiding was intended.

'Datum' defines 'Equals' but not 'GetHashCode'

'HoofdactiviteitenVerenigingsloket.Empty' hides inherited member 'ReadOnlyCollection<HoofdactiviteitVerenigingsloket>.Empty'. Use the new keyword if hiding was intended.

'Locaties.Empty' hides inherited member 'ReadOnlyCollection<Locatie>.Empty'. Use the new keyword if hiding was intended.

'Vertegenwoordigers.Empty' hides inherited member 'ReadOnlyCollection<Vertegenwoordiger>.Empty'. Use the new keyword if hiding was intended.

Non-nullable property 'ObjectId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Detail' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.