Message selecting crash #93
Description
i'm not sure what triggered this.
running 02853fc, though it doesn't look like the commits since would affect this.
2023-05-28 21:04:03: ERROR[Main]: ServerError: AsyncErr: Lua: Runtime error from mod 'mail' in callback on_playerReceiveFields(): ...t/5.6.1/Minetest_live/bin/../mods/mail_mod/ui/events.lua:85: attempt to index a nil value
2023-05-28 21:04:03: ERROR[Main]: stack traceback:
2023-05-28 21:04:03: ERROR[Main]: ...t/5.6.1/Minetest_live/bin/../mods/mail_mod/ui/events.lua:85: in function 'func'
2023-05-28 21:04:03: ERROR[Main]: ...inetest_live/bin/../builtin/profiler/instrumentation.lua:107: in function <...inetest_live/bin/../builtin/profiler/instrumentation.lua:100>
2023-05-28 21:04:03: ERROR[Main]: .../mt/5.6.1/Minetest_live/bin/../builtin/game/register.lua:431: in function <.../mt/5.6.1/Minetest_live/bin/../builtin/game/register.lua:417>