When activating a redstone contraption like this:
P: Piston, R: Redstone Dust, L: Lever, B: Block
LPBR
BR
B
You would get an illegally placed redstone dust as a result.
Environment
Windows 10 Home Version 1903 64-bit
64-bit based Processor: Intel(R) Core(TM) i5-4210U CPU
Build: 18362.476
Thank you for your report!
We're actually already tracking this issue in MC-143443, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.
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