Hefre is the error on php log:
PHP Fatal error: Uncaught exception 'ObjectNotUnique' with message 'One object was expected; however multiple objects in the database matched the query. In fact, there are 2 matching objects.' in C:\wamp\www\support\include\class.orm.phpStack trace:#0 C:\wamp\www\support\include\class.orm.php(545): QuerySet->one()#1 C:\wamp\www\support\include\class.list.php(297): VerySimpleModel:(Array)#2 C:\wamp\www\support\include\class.list.php(384): DynamicList->getConfigurationForm(true)#3 C:\wamp\www\support\include\class.dynamic_forms.php(1597): DynamicList->getForm()#4 C:\wamp\www\support\include\class.dynamic_forms.php(534): SelectionField->hasSubFields()#5 C:\wamp\www\support\include\class.filter.php(308): Bootstrap::{closure}()#6 C:\wamp\www\support\include\class.filter.php(321): Filter:()#7 C:\wamp\www\support\include\class.filter.php(711): Filter:()#8 C:\wamp\www\support\include\class.ticket.php(3041): TicketFilter->__construct('api', Array)#9 C:\wamp\www\support in C:\wamp\www\support\include\class.orm.php on line 1176
#8 {main} thrown in C:\wamp\www\support\include\class.orm.php on line 1176
PHP Fatal error: Uncaught exception 'ObjectNotUnique' with message 'One object was expected; however multiple objects in the database matched the query. In fact, there are 2 matching objects.' in C:\wamp\www\support\include\class.orm.phpStack trace:#0 C:\wamp\www\support\include\class.orm.php(545): QuerySet->one()#1 C:\wamp\www\support\include\class.list.php(297): VerySimpleModel:(Array)#2 C:\wamp\www\support\include\class.list.php(384): DynamicList->getConfigurationForm(true)#3 C:\wamp\www\support\include\class.dynamic_forms.php(1597): DynamicList->getForm()#4 C:\wamp\www\support\include\class.dynamic_forms.php(534): SelectionField->hasSubFields()#5 C:\wamp\www\support\include\class.filter.php(308): Bootstrap::{closure}()#6 C:\wamp\www\support\include\staff\filter.inc.php(4): Filter:()#7 C:\wamp\www\support\scp\filters.php(126): require('C:\\wamp\\www\\sup...')