The webpage
http://www.gimnazija-kranj.gimkr.v-izdelavi.si/novice/pot-do-zlate-ni-vedno-lahka-2018-03-26/?currentDate=2018-02-17
is not available.
Some possible causes:
the webpage has not been established yet,
the webpage is temporarily unavailable due to maintenance,
the webpage no longer exists or has moved to another address.