The string doesn't match the expected date/time/date-time format. The string to parse was: "15.01.18 00:00". The expected format was: "MM/dd/yy HH:mm".
The nested reason given follows:
Unparseable date: "15.01.18 00:00"

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FTL stack trace ("~" means nesting-related):
	- Failed at: ${CPDefinition_displayDate.getData()?...  [in template "3192443#3192485#null" at line 4, column 9]
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1<#setting date_format="MMMMM d, yyyy"> 

2 

3<#if (CPDefinition_displayDate.getData())??> 

4	${CPDefinition_displayDate.getData()?datetime("MM/dd/yy HH:mm")?date} 

5</#if>