RIght clicking a shovel onto grass causes game to become unresponsive

Put the summary of the bug you're having here

What I expected to happen was...:
Upon right clicking grass block with shovel it should turn into the new dirt path block.

What actually happened was...:
The game froze instantly (the shovel didnt even swing) no crash report was created to submit as program became unresponsive - had to terminate via task manager. I have reloaded and tested several times chosing a different grass block each time. All resulted in the program freezing.

I had managed to successfuly transform 4 grass blocks before the problem started.

Steps to Reproduce:
1. Start creating dirt path blocks by right clicking a shovel onto grass.
2. ...
3. ...