Minecolonies version

Version: minecolonies-0.11.907-ALPHA (Modpack TechColonies 2.6)

The builder regularly has a red icon on his head (like he needs something), then tells me that he had some troubles with its AI, and that I should contact the devs and show them the latest.log file.
So here we are !

Haven't figured out repro steps yet, seems to happen very regularly when building.

Logs: Latest.log and crashlog at https://gist.github.com/

• latest.log: https://gist.github.com/Thanaen/36fa293805d8640146f98af814e41de5
  In this gist, they are two files: first the whole latest.log file, then a builder-related crash log found in the latest.log (in case it helps)

Note: It didn't happen for a long time after the creation of the colony, but now it seems systematic.

I filed an issue with this same bug awhile ago. It should be fixed with a newer version of minecolonies. See #4835.

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