Update->start -> -> delete save world -> -> create new world
[14:08:40] [Server thread/INFO] [FML]: Injecting existing block and item data into this server instance
[14:08:40] [Server thread/INFO] [FML]: Found a missing id from the world AgriCraft:cropFerranium
[14:08:40] [Server thread/INFO] [FML]: Found a missing id from the world AgriCraft:cropPlatiolus
...
[14:08:40] [Server thread/ERROR] [FML]: There are unidentified mappings in this world - we are going to attempt to process anyway
[14:08:40] [Server thread/ERROR] [FML]: Unidentified block: AgriCraft:cropFerranium, id 2040
[14:08:40] [Server thread/ERROR] [FML]: Unidentified block: AgriCraft:cropPlatiolus, id 2050
...
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: TConstruct:shortbow, id 5356
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: TConstruct:arrow, id 5357
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: Forestry:vialCatalyst, id 4471
[14:08:40] [Server thread/ERROR] [FML]: Unidentified block: chisel:tile.autoChisel, id 1193
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: chisel:tile.autoChisel, id 1193
[14:08:40] [Server thread/ERROR] [FML]: Unidentified block: ExtraTrees:hedge, id 863
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: ExtraTrees:hedge, id 863
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: appliedenergistics2:item.ToolEraser, id 4345
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: appliedenergistics2:item.ToolDebugCard, id 4347
[14:08:40] [Server thread/INFO] [FML]: Found a missing id from the world AgriCraft:cropFerranium
[14:08:40] [Server thread/INFO] [FML]: Found a missing id from the world AgriCraft:cropPlatiolus
...
[14:08:40] [Server thread/ERROR] [FML]: There are unidentified mappings in this world - we are going to attempt to process anyway
[14:08:40] [Server thread/ERROR] [FML]: Unidentified block: AgriCraft:cropFerranium, id 2040
[14:08:40] [Server thread/ERROR] [FML]: Unidentified block: AgriCraft:cropPlatiolus, id 2050
...
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: TConstruct:shortbow, id 5356
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: TConstruct:arrow, id 5357
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: Forestry:vialCatalyst, id 4471
[14:08:40] [Server thread/ERROR] [FML]: Unidentified block: chisel:tile.autoChisel, id 1193
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: chisel:tile.autoChisel, id 1193
[14:08:40] [Server thread/ERROR] [FML]: Unidentified block: ExtraTrees:hedge, id 863
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: ExtraTrees:hedge, id 863
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: appliedenergistics2:item.ToolEraser, id 4345
[14:08:40] [Server thread/ERROR] [FML]: Unidentified item: appliedenergistics2:item.ToolDebugCard, id 4347