I can start the server normaly (and there is no error in the log), but when I try to join, the server crashes and there is no error in the log !
Here is the server log :
[02:39:23] [main/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
[02:39:23] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[02:39:23] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
[02:39:23] [main/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
[02:39:23] [main/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[02:39:23] [main/INFO]: Loaded 0 recipes
[02:39:23] [main/INFO]: Loaded 0 advancements
[02:39:23] [Server thread/INFO]: Starting minecraft server version 18w47a
[02:39:23] [Server thread/INFO]: Loading properties
[02:39:23] [Server thread/INFO]: Default game type: SURVIVAL
[02:39:23] [Server thread/INFO]: Generating keypair
[02:39:24] [Server thread/INFO]: Starting Minecraft server on *:25565
[02:39:24] [Server thread/INFO]: Using default channel type
[02:39:25] [Server thread/INFO]: Preparing level "world"
[02:39:26] [Server thread/INFO]: Reloading ResourceManager: Default
[02:39:28] [Server thread/INFO]: Loaded 620 recipes
[02:39:32] [Server thread/INFO]: Loaded 672 advancements
[02:39:32] [Server thread/INFO]: Preparing start region for dimension minecraft:overworld
[02:39:34] [Server thread/INFO]: Preparing spawn area: 12325 | 12325 | 0 | 0 ( 0% 0%)
[02:39:34] [Server thread/INFO]: Preparing spawn area: 12325 | 12325 | 0 | 0 ( 0% 0%)
[02:39:34] [Server thread/INFO]: Preparing spawn area: 12325 | 12104 | 0 | 0 ( 1% 0%)
[02:39:36] [Server thread/INFO]: Preparing spawn area: 12325 | 11779 | 0 | 0 ( 4% 0%)
[02:39:36] [Server thread/INFO]: Preparing spawn area: 12325 | 11779 | 0 | 0 ( 4% 0%)
[02:39:36] [Server thread/INFO]: Preparing spawn area: 12325 | 11779 | 0 | 0 ( 4% 0%)
[02:39:36] [Server thread/INFO]: Preparing spawn area: 12325 | 11233 | 0 | 0 ( 8% 0%)
[02:39:37] [Server thread/INFO]: Preparing spawn area: 12325 | 10544 | 0 | 0 ( 14% 0%)
[02:39:37] [Server thread/INFO]: Preparing spawn area: 12325 | 9894 | 0 | 0 ( 19% 0%)
[02:39:38] [Server thread/INFO]: Preparing spawn area: 12325 | 9179 | 0 | 0 ( 25% 0%)
[02:39:39] [Server thread/INFO]: Preparing spawn area: 12325 | 8711 | 0 | 0 ( 29% 0%)
[02:39:39] [Server thread/INFO]: Preparing spawn area: 12325 | 8711 | 0 | 0 ( 29% 0%)
[02:39:39] [Server thread/INFO]: Preparing spawn area: 12325 | 8711 | 0 | 0 ( 29% 0%)
[02:39:40] [Server thread/INFO]: Preparing spawn area: 12325 | 8113 | 0 | 0 ( 34% 0%)
[02:39:40] [Server thread/INFO]: Preparing spawn area: 12325 | 7489 | 0 | 0 ( 39% 0%)
[02:39:41] [Server thread/INFO]: Preparing spawn area: 12325 | 6761 | 0 | 0 ( 45% 0%)
[02:39:44] [Server thread/INFO]: Preparing spawn area: 12325 | 6124 | 0 | 0 ( 50% 0%)
[02:39:44] [Server thread/INFO]: Preparing spawn area: 12325 | 6124 | 0 | 0 ( 50% 0%)
[02:39:44] [Server thread/INFO]: Preparing spawn area: 12325 | 6124 | 0 | 0 ( 50% 0%)
[02:39:44] [Server thread/INFO]: Preparing spawn area: 12325 | 6124 | 0 | 0 ( 50% 0%)
[02:39:44] [Server thread/INFO]: Preparing spawn area: 12325 | 6124 | 0 | 0 ( 50% 0%)
[02:39:44] [Server thread/INFO]: Preparing spawn area: 12325 | 6124 | 0 | 0 ( 50% 0%)
[02:39:44] [Server thread/INFO]: Preparing spawn area: 12325 | 6124 | 0 | 0 ( 50% 0%)
[02:39:45] [Server thread/INFO]: Preparing spawn area: 12325 | 5682 | 0 | 0 ( 53% 0%)
[02:39:45] [Server thread/INFO]: Preparing spawn area: 12325 | 5019 | 0 | 0 ( 59% 0%)
[02:39:46] [Server thread/INFO]: Preparing spawn area: 12325 | 4291 | 0 | 0 ( 65% 0%)
[02:39:46] [Server thread/INFO]: Preparing spawn area: 12325 | 4002 | 0 | 0 ( 67% 0%)
[02:39:47] [Server thread/INFO]: Preparing spawn area: 12325 | 3462 | 0 | 0 ( 71% 0%)
[02:39:47] [Server thread/INFO]: Preparing spawn area: 12325 | 3032 | 0 | 0 ( 75% 0%)
[02:39:48] [Server thread/INFO]: Preparing spawn area: 12325 | 2544 | 0 | 0 ( 79% 0%)
[02:39:48] [Server thread/INFO]: Preparing spawn area: 12325 | 2310 | 0 | 0 ( 81% 0%)
[02:39:49] [Server thread/INFO]: Preparing spawn area: 12325 | 2262 | 0 | 0 ( 81% 0%)
[02:39:49] [Server thread/INFO]: Preparing spawn area: 12325 | 2240 | 0 | 0 ( 81% 0%)
[02:39:50] [Server thread/INFO]: Preparing spawn area: 12325 | 2194 | 0 | 0 ( 82% 0%)
[02:39:50] [Server thread/INFO]: Preparing spawn area: 12325 | 2088 | 0 | 0 ( 83% 0%)
[02:39:51] [Server thread/INFO]: Preparing spawn area: 12325 | 1986 | 0 | 0 ( 83% 0%)
[02:39:51] [Server thread/INFO]: Preparing spawn area: 12325 | 1924 | 0 | 0 ( 84% 0%)
[02:39:52] [Server thread/INFO]: Preparing spawn area: 12325 | 1816 | 0 | 0 ( 85% 0%)
[02:39:52] [Server thread/INFO]: Preparing spawn area: 12325 | 1710 | 0 | 0 ( 86% 0%)
[02:39:53] [Server thread/INFO]: Preparing spawn area: 12325 | 1602 | 0 | 0 ( 87% 0%)
[02:39:53] [Server thread/INFO]: Preparing spawn area: 12325 | 1524 | 0 | 0 ( 87% 0%)
[02:39:54] [Server thread/INFO]: Preparing spawn area: 12325 | 1472 | 0 | 0 ( 88% 0%)
[02:39:54] [Server thread/INFO]: Preparing spawn area: 12325 | 1358 | 0 | 0 ( 88% 0%)
[02:39:55] [Server thread/INFO]: Preparing spawn area: 12325 | 1246 | 0 | 0 ( 89% 0%)
[02:39:55] [Server thread/INFO]: Preparing spawn area: 12325 | 1142 | 0 | 0 ( 90% 0%)
[02:39:56] [Server thread/INFO]: Preparing spawn area: 12325 | 1046 | 0 | 0 ( 91% 0%)
[02:39:56] [Server thread/INFO]: Preparing spawn area: 12325 | 1010 | 0 | 0 ( 91% 0%)
[02:39:57] [Server thread/INFO]: Preparing spawn area: 12325 | 890 | 0 | 0 ( 92% 0%)
[02:39:57] [Server thread/INFO]: Preparing spawn area: 12325 | 794 | 0 | 0 ( 93% 0%)
[02:39:58] [Server thread/INFO]: Preparing spawn area: 12325 | 696 | 0 | 0 ( 94% 0%)
[02:39:58] [Server thread/INFO]: Preparing spawn area: 12325 | 582 | 0 | 0 ( 95% 0%)
[02:39:59] [Server thread/INFO]: Preparing spawn area: 12325 | 534 | 0 | 0 ( 95% 0%)
[02:39:59] [Server thread/INFO]: Preparing spawn area: 12325 | 452 | 0 | 0 ( 96% 0%)
[02:40:00] [Server thread/INFO]: Preparing spawn area: 12325 | 336 | 0 | 0 ( 97% 0%)
[02:40:00] [Server thread/INFO]: Preparing spawn area: 12325 | 222 | 0 | 0 ( 98% 0%)
[02:40:01] [Server thread/INFO]: Preparing spawn area: 12325 | 110 | 0 | 0 ( 99% 0%)
[02:40:01] [Server thread/INFO]: Preparing spawn area: 12325 | 60 | 0 | 0 ( 99% 0%)
[02:40:01] [Server thread/INFO]: Preparing spawn area: 12325 | 0 | 0 | 0 (100% 0%)
[02:40:02] [Server thread/INFO]: Time elapsed: 28999 ms
[02:40:02] [Server thread/INFO]: Done (36.129s)! For help, type "help"