It seems i was too impatient, after 20ish minutes it unstuck itself. Still does not use its full capacity in a timely fashion. On the one hand that's slightly unsatisfying, but on the other hand it may not even be designed to scale so far into late game.

still thx, could be improved tho c:

Not hard lock as in "game locks up", hard lock as in "no new tasks get scheduled, until i chop this tree by hand" sry for the ambiguity, false use of words.

Edit: I will let it run for a few hours to see if the system cycles through to the viable jobs, but no such luck so far.

What did you do?
I was intending to build a large structure with blueprints like seen in the picture. Obstructing trees rocks etc. were marked beforehand with the deconstruction tool.
(See Fig.1)

Fig1.jpg

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What happened?
1/20000 robots got stuck because they could not construct their payload ...