When using XmlLayoutSchemaLog4j layout with .Net Core, the following exception appears:
I made a copy of XmlLayoutSchemaLog4j.cs in my sources, and found the culprit:
XmlWriter.WriteStartElement is called wrongly, the namespace should be a separate argument:
I corrected all WriteStartElement in my copy, and it now works fine. I hope that you can put this small change in the next version.