Am 28.02.2019 um 13:32 schrieb Periklis Gogas:
When I try to open the sample files today I get the message "Unspecified Error"!
What is going on? I heve based my lecture on the NYSE1.gdt file and now I cannot find it!

You need to be a little more specific. Where do you expect the file to be?

cheers
sven