Not Sure What kind of Bug

Not sure why this bug happened

No idea how to reproduce

Not get a bug

Got a bug

release-789 (x64)
…components/resource_node/resource_node_component.lua:57: attempt to index local ‘json’ (a nil value)
stack traceback:
…components/resource_node/resource_node_component.lua:57: in function ‘_place_spawned_items’
…components/resource_node/resource_node_component.lua:82: in function ‘spawn_resource’
…hearth/ai/actions/harvest_resource_node_adjacent.lua:34: in function <…hearth/ai/actions/harvest_resource_node_adjacent.lua:16>
[C]: ?
[C]: ?
[C]: ?
[C]: ?
[C]: in function 'run’
stonehearth/services/server/tasks/task_action.lua:196: in function <stonehearth/services/server/tasks/task_action.lua:193>
[C]: ?
[C]: ?

[C]: in function 'run’
stonehearth/components/ai/ai_component.lua:515: in function <stonehearth/components/ai/ai_component.lua:499>
[C]: in function 'xpcall’
radiant/modules/commons.lua:66: in function 'xpcall’
stonehearth/components/ai/ai_component.lua:499: in function '_thread_main’
stonehearth/services/server/threads/thread.lua:273: in function <stonehearth/services/server/threads/thread.lua:270>
[C]: in function 'xpcall’
radiant/modules/commons.lua:66: in function 'xpcall’
stonehearth/services/server/threads/thread.lua:270: in function 'f’
radiant/lib/env.lua:15: in function <radiant/lib/env.lua:14>

No mods in use, Vrs release 789 (64x)

Thanks. This will be fixed in the next release.