#93 IRC crash

Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]: ServerError: AsyncErr: Lua: Runtime error from mod 'irc' in callback on_chat_message(): ....minetest/games/mesecraft_centeria/mods/irc/chatcmds.lua:50: attempt to index a nil value
Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]: stack traceback:
Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]:         ....minetest/games/mesecraft_centeria/mods/irc/chatcmds.lua:50: in function 'func'
Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]:         ...ria/minetest/bin/../builtin/profiler/instrumentation.lua:107: in function 'func'
Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]:         .../minetest/centeria/minetest/bin/../builtin/game/chat.lua:79: in function <.../minetest/centeria/minetest/bin/../builtin/game/chat.lua:52>
Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]:         ...etest/centeria/minetest/bin/../builtin/game/register.lua:431: in function <...etest/centeria/minetest/bin/../builtin/game/register.lua:417>

``` Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]: ServerError: AsyncErr: Lua: Runtime error from mod 'irc' in callback on_chat_message(): ....minetest/games/mesecraft_centeria/mods/irc/chatcmds.lua:50: attempt to index a nil value Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]: stack traceback: Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]: ....minetest/games/mesecraft_centeria/mods/irc/chatcmds.lua:50: in function 'func' Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]: ...ria/minetest/bin/../builtin/profiler/instrumentation.lua:107: in function 'func' Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]: .../minetest/centeria/minetest/bin/../builtin/game/chat.lua:79: in function <.../minetest/centeria/minetest/bin/../builtin/game/chat.lua:52> Jan 06 23:35:52 nobugz.eu minetestserver[2521393]: 2023-01-06 23:35:52: ERROR[Main]: ...etest/centeria/minetest/bin/../builtin/game/register.lua:431: in function <...etest/centeria/minetest/bin/../builtin/game/register.lua:417> ```