Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Argument of type 'Dictionary<string, object>' cannot be used for parameter 'actionArguments' of type 'IDictionary<string, object?>' in 'ActionExecutingContext.ActionExecutingContext(ActionContext actionContext, IList<IFilterMetadata> filters, IDictionary<string, object?> actionArguments, object controller)' due to differences in the nullability of reference types.

Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable field '_cache' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_cache' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_cache' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Converting null literal or possible null value to non-nullable type.

Non-nullable field '_cache' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.