nodes/node_battery_holder.lua:72: attempt to index field 'power_tools' (a nil value)

[Festus1965]

MT engine 5.5.0
mod digtron (972b691/22.10.2022

2023-02-17 00:55:29: ERROR[Main]:
ServerError: AsyncErr: Lua: Runtime error from mod 'digtron' in callback nodemeta_inventory_AllowPut(): ...netest/bin/../mods/digtron/nodes/node_battery_holder.lua:72: attempt to index field 'power_tools' (a nil value)
ERROR[Main]: stack traceback:
ERROR[Main]: ...netest/bin/../mods/digtron/nodes/node_battery_holder.lua:72: in function <...netest/bin/../mods/digtron/nodes/node_battery_holder.lua:67>