Version 4.1.2 gives a bug in single outline corkscrew printing.
I could find the bug in the g-code file. Line 2 gives E255829 instead of E25.5829
Every 10 files gives this kind of problem. The point is missing. The extruder start spinning and break down the print.
G1 X-69.133 Y-99.255 Z9.113 E25.4939
G1 X-69.100 Y-97.409 Z9.114 E255829 problem.
G1 X-69.091 Y-95.065 Z9.116 E25.6957
G1 X-69.396 Y-91.736 Z9.118 E25.8567
G1 X-69.413 Y-90.9005 Z9.118 E25.8967