How is this an "Access Violation"

[Ruby The Roobster]

On Wednesday, 28 October 2020 at 12:33:18 UTC, Ruby The Roobster 
wrote:
> On Wednesday, 28 October 2020 at 00:48:36 UTC, Ruby The 
> Roobster wrote:
>> On Tuesday, 27 October 2020 at 02:05:37 UTC, Ruby The Roobster 
>> wrote:
>>> Following function when called throws an access violation. I 
>>> think it has to do with the assert statements, but I don't 
>>> know why.
>>>[...]
>>
>> Okay. I messed up here. It should be: this.base = new 
>> atom(...) . I corrected that. The assert statements still 
>> don't work though.
>
> Turns out all attempts to access member variables of that class 
> fail:
> atom a = new atom(...);
> a.valence = 5;
>
> Output:
>
> Object.Error@(0): Access Violation

Nevermind. I should just have done my research and paid more 
attention.