Playing on Factorio 0.17.33, with no hand crafting running at the time, I got this error on adding an item to the queue:

The mod Queue To Front caused a non-recoverable error.
Please report this error to the mod author.

Error while running event QueueToFront::on_pre_player_crafted_item (ID 95)
QueueToFront/control.lua:29: attempt to index field 'queue_to_front' (a nil value)
stack traceback:
QueueToFront/control.lua:29: in function <QueueToFront/control.lua:21>

I'll send you the complete log file on the forums.

Thanks for the bug report. Should be fixed in the new version

Yes, seems to work now. Thank you for the quick fix! :-)

Hey you helped with Krastorio a bit right @Pi-C? Big fan of that mod

Not quite as you imagined, I'm afraid. There used to be a request for helping out with the text on the information page, so I edited the mod description a bit, fixed some typos etc. -- just text work, no modding. :-)