Message

A Date MUST have an element SlotValue with xsi:type of rim:DateTimeValue.

Context
query:QueryRequest/rim:Slot[@name='IssueDateTime']/rim:SlotValue | query:QueryRequest/query:Query/rim:Slot[@name='PublicationDate']/rim:Slot[@name='StartDate']/rim:SlotValue | query:QueryRequest/query:Query/rim:Slot[@name='DeadlineReceiptTenders']/rim:Slot[@name='StartDate']/rim:SlotValue | query:QueryRequest/query:Query/rim:Slot[@name='AdditionalInformationDeadline']/rim:Slot[@name='StartDate']/rim:SlotValue | query:QueryRequest/query:Query/rim:Slot[@name='DeadlineReceiptRequests']/rim:Slot[@name='StartDate']/rim:SlotValue | query:QueryRequest/query:Query/rim:Slot[@name='PublicationDate']/rim:Slot[@name='EndDate']/rim:SlotValue | query:QueryRequest/query:Query/rim:Slot[@name='DeadlineReceiptTenders']/rim:Slot[@name='EndDate']/rim:SlotValue | query:QueryRequest/query:Query/rim:Slot[@name='AdditionalInformationDeadline']/rim:Slot[@name='EndDate']/rim:SlotValue | query:QueryRequest/query:Query/rim:Slot[@name='DeadlineReceiptRequests']/rim:Slot[@name='EndDate']/rim:SlotValue
Test
@xsi:type='rim:DateTimeValueType'