is just normal terrain, I don’t know why this happens, there is no warning or error in my server.
Disappeared when placed, I only installed a MOD of GT6.
Gregtech.log
GT_API: ======================
GT_API: PreInit-Phase started!
GT_API: Sorting Greg-API to the start of the Mod List for further processing.
GT_API: PreInit-Phase finished!
GT_API: =======================
GT_API_POST: ======================
GT_API_POST: PreInit-Phase started!
GT_API_POST: Sorting Greg-API-Post to the end of the Mod List for further processing.
GT_API_POST: PreInit-Phase finished!
GT_API_POST: =======================
GT_Mod: ======================
GT_Mod: PreInit-Phase started!
GT_Mod: Sorting GregTech to the end of the Mod List for further processing.
GT_Download_Thread: Downloaded Silver Supporter List!
GT_Download_Thread: Downloaded Gold Supporter List!
GT_Mod: PreInit-Phase finished!
GT_Mod: =======================
GT_Download_Thread: Downloaded News.
GT_API: ===================
GT_API: Init-Phase started!
GT_API: If the Loading Bar somehow Freezes at this Point, then you definetly ran out of Memory or permgenspace, look at the other Logs to confirm it.
GT_API: Init-Phase finished!
GT_API: ====================
GT_API_POST: ===================
GT_API_POST: Init-Phase started!
GT_API_POST: Initialize Wood Dictionary.
GT_API_POST: Init-Phase finished!
GT_API_POST: ====================
GT_Mod: ===================
GT_Mod: Init-Phase started!
GT_Mod: Registering Books.
GT_Mod: Scanning Food for the Canning Machine, and Wrenches/Crowbars for the Config.
GT_Mod: Init-Phase finished!
GT_Mod: ====================
GT_API: =======================
GT_API: PostInit-Phase started!
GT_API: If the Loading Bar somehow Freezes at this Point, then you definetly ran out of Memory or permgenspace, look at the other Logs to confirm it.
GT_API: PostInit-Phase finished!
GT_API: ========================
GT_API_POST: =======================
GT_API_POST: PostInit-Phase started!
GT_API_POST: PostInit-Phase finished!
GT_API_POST: ========================
GT_Mod: =======================
GT_Mod: PostInit-Phase started!
GT_Mod: Increasing general amount of Loot in Dungeon Chests and alike
GT_Mod: Nerfing Vanilla Tool Durability
GT_Mod: PostInit-Phase finished!
GT_Mod: Making sure GT6 Chests are used in Worldgen instead of vanilla ones.
GT_Mod: Replacing Vanilla alike Recipes.
GT_Mod: Copying the Fluid Registry over to GT Machines.
GT_Mod: ========================
GT_API: Remapping ItemStackMaps due to ID Map change. Those damn Items should have a consistent Hashcode, but noooo, ofcourse they break Basic Code Conventions! Thanks Forge and Mojang!
GT_Server: Loaded Special Save Files
GT_API: Cleaning up all OreDict Crafting Recipes, which have an empty List in them, since they are never meeting any Condition.