Engine Error while building tower portion of building

Summary: Engine error pop-up during construction of a tower portion of a building. Tower does not contain any entries except the roof space used for construction.

Notes:
release-687 (x64)
…/services/server/build/ladder_builder_destructor.lua:44: attempt to call method ‘get_num_handles’ (a nil value)
stack traceback:
radiant/modules/common.lua:237: in function ‘report_traceback’
radiant/modules/common.lua:248: in function ‘get_num_handles’
…/services/server/build/ladder_builder_destructor.lua:44: in function ‘is_last_handle’
stonehearth/components/scaffolding/scaffolding.lua:558: in function ‘destroy_handles’
stonehearth/components/scaffolding/scaffolding.lua:634: in function ‘_update_ladders’
stonehearth/components/scaffolding/scaffolding.lua:310: in function ‘recalculate_scaffolding_blueprint’
…hearth/services/server/build/scaffolding_manager.lua:289: in function ‘_process_changes’
…hearth/services/server/build/scaffolding_manager.lua:279: in function ‘obj’
radiant/modules/events.lua:83: in function ‘instance’
radiant/modules/events.lua:291: in function <radiant/modules/events.lua:285>
[C]: in function ‘xpcall’
radiant/modules/common.lua:257: in function ‘xpcall’
radiant/modules/events.lua:285: in function ‘trigger’
radiant/modules/events.lua:398: in function ‘_trigger_gameloop’
radiant/modules/events.lua:446: in function ‘_update’
radiant/server.lua:61: in function <radiant/server.lua:58>

Attachments:

Update:
Construction has halted on the building, leaving one side of the tower incomplete to its floor and not putting on its roof.

Save/load produces no error message.

After left running for several minutes another Engine Error occurred:

Notes:
release-687 (x64)
stonehearth/ai/actions/patrol_helpers.lua:55: attempt to index local ‘pathfinder_component’ (a nil value)
stack traceback:
[C]: ?
stonehearth/ai/actions/patrol_helpers.lua:55: in function ‘get_next_path_point’
stonehearth/ai/actions/walk_in_formation_action.lua:82: in function ‘_get_intercept_speed’
stonehearth/ai/actions/walk_in_formation_action.lua:48: in function ‘_changed_cb’
radiant/modules/filtered_trace.lua:12: in function <radiant/modules/filtered_trace.lua:7>

Attachments

1

Update:
Destruction of building (to start construction over) results in 2 engine errors.

Notes:
release-687 (x64)
stonehearth/ai/actions/patrol_helpers.lua:55: attempt to index local ‘pathfinder_component’ (a nil value)
stack traceback:
[C]: ?
stonehearth/ai/actions/patrol_helpers.lua:55: in function ‘get_next_path_point’
stonehearth/ai/actions/walk_in_formation_action.lua:82: in function ‘_get_intercept_speed’
stonehearth/ai/actions/walk_in_formation_action.lua:48: in function ‘_changed_cb’
radiant/modules/filtered_trace.lua:12: in function <radiant/modules/filtered_trace.lua:7>

release-687 (x64)
…/services/server/build/ladder_builder_destructor.lua:44: attempt to call method ‘get_num_handles’ (a nil value)
stack traceback:
radiant/modules/common.lua:237: in function ‘report_traceback’
radiant/modules/common.lua:248: in function ‘get_num_handles’
…/services/server/build/ladder_builder_destructor.lua:44: in function ‘is_last_handle’
stonehearth/components/scaffolding/scaffolding.lua:185: in function ‘_destroy_immediately’
stonehearth/components/scaffolding/scaffolding.lua:248: in function ‘_on_scaffolding_destroy_immediately’
stonehearth/components/scaffolding/scaffolding.lua:147: in function ‘obj’
radiant/modules/events.lua:83: in function ‘instance’
radiant/modules/events.lua:291: in function <radiant/modules/events.lua:285>
[C]: in function ‘xpcall’
radiant/modules/common.lua:257: in function ‘xpcall’
radiant/modules/events.lua:285: in function ‘trigger’

radiant/controllers/time_tracker_controller.lua:82: in function ‘set_now’
radiant/controllers/time_tracker_controller.lua:103: in function ‘increment_now’
radiant/modules/timer.lua:13: in function ‘instance’
radiant/modules/events.lua:291: in function <radiant/modules/events.lua:285>
[C]: in function ‘xpcall’
radiant/modules/common.lua:257: in function ‘xpcall’
radiant/modules/events.lua:285: in function ‘trigger’
radiant/modules/events.lua:398: in function ‘_trigger_gameloop’
radiant/modules/events.lua:446: in function ‘_update’
radiant/server.lua:61: in function <radiant/server.lua:58>

Attachments: Building Template
town hall.zip (19.0 KB)