Error when searching for Import source

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Symptom
Import design objects from server (Tools -> Import Design Objects -> Server). It throws an error dialog with the following information.
Dialog Title: “Error When Searching for Import Source”
Error Message: “Error when executing search”.
Other terms
Import, Import Design Objects, Tpz Import, NullPointerException, Error when executing search, Error when Searching for Import Source, ESR, DIR, [...]

DateTime field defaulted to null value

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Symptom
Incorrect behavior when a dateTime field is defaulted to null value
Other terms
Visual Composer,Composition Environment
Reason and Prerequisites
When dateTime field is given default value equal to null at design time;the actual value displayed at runtime is 01/01/1970 instead of blank value.
Solution
The application now works as expected, which means if the default value given to dateTime [...]