(another) Quarry crash

[thomasrudin]

inetest_1 | 2018-11-28 00:13:45: [Server]: static int ModApiServer::l_get_player_ip(lua_State*): peer was not found
minetest_1 | 2018-11-28 00:13:45: [Server]: static int ModApiServer::l_get_player_ip(lua_State*): peer was not found
minetest_1 | 2018-11-28 00:37:35: ERROR[Main]: ServerError: AsyncErr: ServerThread::run Lua: Runtime error from mod '' in callback LuaABM::trigger(): .../world//worldmods/technic/technic/machines/HV/quarry.lua:85: bad argument #1 to 'ipairs' (table expected, got nil)
minetest_1 | 2018-11-28 00:37:35: ERROR[Main]: stack traceback:
minetest_1 | 2018-11-28 00:37:35: ERROR[Main]: [C]: in function 'ipairs'
minetest_1 | 2018-11-28 00:37:35: ERROR[Main]: .../world//worldmods/technic/technic/machines/HV/quarry.lua:85: in function 'quarry_handle_purge'
minetest_1 | 2018-11-28 00:37:35: ERROR[Main]: .../world//worldmods/technic/technic/machines/HV/quarry.lua:176: in function 'technic_run'
minetest_1 | 2018-11-28 00:37:35: ERROR[Main]: ...worldmods/technic/technic/machines/switching_station.lua:316: in function 'run_nodes'
minetest_1 | 2018-11-28 00:37:35: ERROR[Main]: ...worldmods/technic/technic/machines/switching_station.lua:322: in function <...worldmods/technic/technic/machines/switching_station.lua:244>