警告 Wrong location for EntityPhantomSwordBase['entity.flammpfeil.slashblade.PhantomSwordBase.name'/90, l='world', x=NaN, y=NaN, z=NaN] in world 'world'!11.12 20:29:16 [服务器] 警告 Entity is at NaN,NaN (chunk 0,0) but was stored in chunk -11,1811.12 20:29:16 [服务器] 警告 Cauldron has removed EntityPhantomSwordBase['entity.flammpfeil.slashblade.PhantomSwordBase.name'/90, l='world', x=NaN, y=NaN, z=NaN] to prevent a server crash.11.12 20:29:16 [服务器] 警告 Wrong location for EntityPhantomSwordBase['entity.flammpfeil.slashblade.PhantomSwordBase.name'/91, l='world', x=NaN, y=NaN, z=NaN] in world 'world'!11.12 20:29:16 [服务器] 警告 Entity is at NaN,NaN (chunk 0,0) but was stored in chunk -11,1811.12 20:29:16 [服务器] 警告 Cauldron has removed EntityPhantomSwordBase['entity.flammpfeil.slashblade.PhantomSwordBase.name'/91, l='world', x=NaN, y=NaN, z=NaN] to prevent a server crash.11.12 20:29:16 [服务器] 警告 Wrong location for EntityPhantomSwordBase['entity.flammpfeil.slashblade.PhantomSwordBase.name'/92, l='world', x=NaN, y=NaN, z=NaN] in world 'world'!11.12 20:29:16 [服务器] 警告 Entity is at NaN,NaN (chunk 0,0) but was stored in chunk -11,1811.12 20:29:16 [服务器] 警告 Cauldron has removed EntityPhantomSwordBase['entity.flammpfeil.slashblade.PhantomSwordBase.name'/92, l='world', x=NaN, y=NaN, z=NaN] to prevent a server crash.11.12 20:29:16 [服务器] 警告 Wrong location for EntityPhantomSwordBase['entity.flammpfeil.slashblade.PhantomSwordBase.name'/100, l='world', x=-Infinity, y=-Infinity, z=Infinity] in world 'world'!

将config目录下的forge.cfg文件内：
removeErroringEntities=false 改为 removeErroringEntities=true
removeErroringTileEntities=false 改为 removeErroringTileEntities=true