[BUG] Serialization Helper Object has not been initialized.

[thatmaxplayle]

Hey, I've been having issues with serializing from XML, with the following Exception information:

System.InvalidOperationException: Serialization Helper object has not been initialized.
[07/08/2021 13:11:27.317] at XSerializer.CustomSerializer`1.NullHelper.XSerializer.CustomSerializer<T>.IHelper.SetElementPropertyValue(ISerializeOptions options, Boolean& shouldIssueRead)
[07/08/2021 13:11:27.318] at XSerializer.CustomSerializer`1.DeserializeObject(XSerializerXmlReader reader, ISerializeOptions options)
[07/08/2021 13:11:27.318] at XSerializer.SerializationExtensions.DeserializeObject(IXmlSerializerInternal serializer, Stream stream, ISerializeOptions options)
[07/08/2021 13:11:27.319] at XSerializer.XmlSerializer`1.Deserialize(Stream stream)

I'm not entirely sure what's causing this, so any pointers would be useful. Thank you.