Up to the current version 23 the front page happily stated that you need at least 10.1B to run the DataDigger.

Today, it turned out that that is a lie

The main program uses the FINALLY statement and that was introduced in version 10.1C so that is the minimum version you can use to run DataDigger.

If you are stuck on 10.1B and still want to use the DataDigger, just open up DataDiggerLib.p   and search for “FINALLY”:

Remove the FINALLY block entirely. On restart, DataDigger will recompile itself.