@hube2 sorry for the late reply, but you know busy and stuff and the client was ok with the filtering being based on the month for now.
But I now have revisited the issue and renamed the field date to photo_date of which I am sure there is no duplicate of, but the issue still persists
a copy of the data I use can be found here:
https://docs.google.com/spreadsheets/d/1t3LD1z83DsHgA_SzvYxLk_4dzrrtYd0iRyx7sK7GzWk/edit#gid=0
And if you want to look at the data being in use check it out here”
http://www.pletterij.nl/foto-archief/
I have no idea why it’s happening, but maybe you see something obvious.
