$ luanti 
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|_|\__,_|\__,_|_| |_|\__|_|  ___ 5.15.2
2026-04-23 10:19:34: ACTION[ServerStart]: World at [/home/user/.minetest/worlds/world1]
2026-04-23 10:19:34: ACTION[ServerStart]: Server for gameid="minetest" listening on 127.0.0.1:60296.
2026-04-23 10:19:34: ACTION[Server]: singleplayer [127.0.0.1] joins game. List of players: singleplayer
2026-04-23 10:19:39: ERROR[Server]: Failed to save player singleplayer exception: Failed to commit SQLite3 transaction: disk I/O error
2026-04-23 10:19:39: ERROR[Server]: An unhandled exception occurred: "Failed to commit SQLite3 transaction: disk I/O error"
2026-04-23 10:19:39: ERROR[Server]: In thread 7fd79a26a6c0:
2026-04-23 10:19:39: ERROR[Server]: /home/user/luanti-5.15.2/src/server.cpp:173: virtual void* ServerThread::run(): A fatal error occurred: "Failed to commit SQLite3 transaction: disk I/O error"
Aborted                    (core dumped) luanti