Assertion failure in create edge loop for wall

have fun with this one

may want to add the second one made my world completely unplayable as it broke the town defense system and i couldent get them to go back to work (clicking the town defence button id hear bells but they would still act like it was active

develop 2534 :
develop-2534 (x64)
stonehearth/lib/build_util.luac:277: assertion failed!
stack traceback:
[C]: ?
[C]: in function ‘assert’
stonehearth/lib/build_util.luac:277: in function ‘create_edge_loop_for_wall’
stonehearth/lib/build_util.luac:280: in function ‘create_edge_loop_for_wall’
stonehearth/lib/build_util.luac:280: in function ‘create_edge_loop_for_wall’
stonehearth/lib/build_util.luac:280: in function ‘create_edge_loop_for_wall’
stonehearth/lib/build_util.luac:308: in function ‘calculate_roof_shape_around_walls’
…h/services/client/build_editor/grow_roof_editor.luac:48: in function ‘_compute_roof_region’
…h/services/client/build_editor/grow_roof_editor.luac:31: in function ‘_filter_fn’
…earth/services/client/selection/entity_selector.luac:52: in function ‘_get_selected_entity’
…earth/services/client/selection/entity_selector.luac:70: in function ‘_on_mouse_event’
…earth/services/client/selection/entity_selector.luac:80: in function ‘_mouse_cb’
stonehearth/services/client/input/input_capture.luac:26: in function ‘_dispatch’
stonehearth/services/client/input/input_service.luac:14: in function ‘_dispatch_input’
stonehearth/services/client/input/input_service.luac:1: in function <stonehearth/services/client/input/input_service.luac:1>

issu : 6x in the 6s after popup…