Buildings wont build

Got some buildings, one is a custom castle and one is the blacksmiths hut, ascendancy town. they build half of it an then wont touch it.

I get this error message

release-656 (x64)
@stonehearth/components/ai/ai_component.lua:551: (1639263 stonehearth:squirrel) has not yielded after 10 ai spins. Are they in a bad state? Last abort reason: follow_path mover aborted reason: could not compute full path in start.
stack traceback:
radiant/modules/common.lua:237: in function 'report_traceback’
radiant/modules/common.lua:456: in function 'verify’
stonehearth/components/ai/ai_component.lua:551: in function <stonehearth/components/ai/ai_component.lua:509>
[C]: in function 'xpcall’
radiant/modules/common.lua:257: in function 'xpcall’
stonehearth/components/ai/ai_component.lua:509: in function '_thread_main’
stonehearth/services/server/threads/thread.lua:249: in function <stonehearth/services/server/threads/thread.lua:246>
[C]: in function 'xpcall’
radiant/modules/common.lua:257: in function 'xpcall’
stonehearth/services/server/threads/thread.lua:246: in function 'f’
radiant/lib/env.lua:15: in function <radiant/lib/env.lua:14>

Whenever i load save

A post was merged into an existing topic: [A18] The buildings my hearthlings will not build (round 3!)