Joantahn, saviour the Legacy Mode did the trick; it runs as before which is wonderful; thanks for pointing this out
I checked again if I missed anything but there is no detail about the new functions ...
I was an occasional but happy user of the 5.0 version in combination with Oracle 11.5.9
but since we migrated to 11.5.10 (and I upgraded to DL version 5.4) I am having troubles.
E.g. uploading ne ...