i have been trying to fix for a few days

[12:31:43] [Server thread/WARN] [net.minecraft.world.storage.loot.LootTableManager]: Couldn't find resource table minecraft:blocks/all
[12:31:43] [Client thread/INFO] [globalgamerules]: Applying config gamerules to dimension 0 (MpServer)
[12:31:43] [Thread-2377/WARN] [HammerLib]: HammerCore custom data file not found! (this is not an issue!)
[12:31:43] [Server thread/INFO] [yungslaw]: YUNG's Law config file for dimension 0 not found. Using global config...