Hi,

We start a map in 1.13-pre1 and we got sometimes an issue, like in the logFile. I don't get crash report. Juste the bug and a start server... So strange.

PS: just before the start of the new logfile you can see the log here:

[16:39:15] User Authenticator #14/INFO: UUID of player LoewynAFK is 802d5dfe-76c3-497e-918f-88eaa7de8b31
[16:39:15] [Server thread/INFO]: LoewynAFK[/78.205.201.178:64853] logged in with entity id 512559 at (8353.538365692915, 64.0, -3509.689666939001)
[16:39:15] [Server thread/INFO]: LoewynAFK joined the game
[16:39:16] [Server thread/INFO]: [Server] Welcome back, LoewynAFK
[16:39:16] [Server thread/INFO]: You whisper to LoewynAFK: LoewynAFK Vient de se connecter!
[16:40:46] [Server thread/WARN]: Loewyn moved too quickly! -8.634385797323262,-1.472064114449168,-15.875400901185003
[16:40:48] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 3266ms behind, skipping 65 tick(s)
[16:58:46] [Server thread/INFO]: LoewynAFK has made the advancement [Stone Age]
[16:59:56] [Server thread/INFO]: LoewynAFK has made the advancement [Getting an Upgrade]
[17:03:34] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2626ms behind, skipping 52 tick(s)
[17:03:50] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2129ms behind, skipping 42 tick(s)
[17:04:42] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 7332ms behind, skipping 146 tick(s)
[17:04:55] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2170ms behind, skipping 43 tick(s)