Null Reference in ImmediatePostDataController

http://www.expandframework.com/forum/6-bugs/4269-null-reference-in-immediatepostdatacontroller-cs-in-14-1-8-2/7880.html
projectconverter 14.2.3
14.2.3.1
[AuditTrail support for unlimited fields auditing]

http://www.expandframework.com/forum/13-suggestions/4190-xpand-audittrail-change-field.html#7552