Version: 1.22.5 and 1.22.6
Mods: first crash report has an extensive mod list, but the second one is only Substrate.
Many mods server crash:
31.7.2026 15:07:05 [Notification] Successfully loaded 44 waypoints 31.7.2026 15:07:05 [Notification] Starting server threads 31.7.2026 15:07:05 [Event] Dedicated Server now running on Port 42421 and all ips! 31.7.2026 15:07:05 [Event] Return again. 31.7.2026 15:07:16 [Warning] Server overloaded. A tick took 1186ms to complete. 31.7.2026 15:08:49 [Notification] A Client attempts connecting via TCP on [::ffff:71.237.191.119]:59210, assigning client id 1 31.7.2026 15:08:49 [Notification] Client 1 uid 1dBiIcRRmqbuSx2sC4me3qNu attempting identification. Name: SliceOPizza 31.7.2026 15:08:49 [Notification] Delayed join, need to load one spawn chunk first. 31.7.2026 15:08:49 [Notification] Sending server identification. Server control privilege is False 31.7.2026 15:08:49 [Notification] Placing SliceOPizza at 512926.93115234375 139 511117.2463378906 31.7.2026 15:09:06 [Event] SliceOPizza [::ffff:71.237.191.119]:59210 joins. 31.7.2026 15:09:06 [Notification] A client reconnected, resuming game calendar. 31.7.2026 15:14:02 [Notification] Watersheds time between launch and first chunk generation: 423148ms 31.7.2026 15:16:40 [Notification] Server ticking has been suspended 31.7.2026 15:16:40 [Notification] Autosaving game world. Notifying mods, then systems of save... 31.7.2026 15:16:40 [Notification] [Portcullis] BackupInventories(World Save): 0 tracked BEs 31.7.2026 15:16:40 [Notification] Defragmented listener lists 31.7.2026 15:16:40 [Event] Mods and systems notified, now saving everything... 31.7.2026 15:16:40 [Event] It pauses. 31.7.2026 15:16:40 [Event] Will do offthread savegamedata saving... 31.7.2026 15:16:40 [Event] One last gaze... 31.7.2026 15:16:40 [Event] Saved player world data... 31.7.2026 15:16:40 [Event] Saved map regions... 31.7.2026 15:16:40 [Event] Then all goes quiet... 31.7.2026 15:16:40 [Event] Saved map chunks... 31.7.2026 15:16:40 [Event] The waters recede... 31.7.2026 15:16:40 [Event] World saved! Saved 0 chunks, 0 mapchunks, 17 mapregions. 31.7.2026 15:16:40 [Event] It sighs... 31.7.2026 15:16:40 [Notification] A client reconnected, resuming game calendar. 31.7.2026 15:16:40 [Notification] Server ticking has been resumed 31.7.2026 15:16:40 [Event] Saved 300 chunks... 31.7.2026 15:16:40 [Event] Saved 600 chunks... 31.7.2026 15:16:40 [Event] Saved 900 chunks... 31.7.2026 15:16:40 [Event] Saved 1200 chunks... 31.7.2026 15:16:40 [Event] Saved 1500 chunks... 31.7.2026 15:16:40 [Event] Saved 1800 chunks... 31.7.2026 15:16:40 [Event] Saved 2100 chunks... 31.7.2026 15:16:40 [Event] Saved 2400 chunks... 31.7.2026 15:16:40 [Event] Saved 2700 chunks... 31.7.2026 15:16:40 [Event] Saved 3000 chunks... 31.7.2026 15:16:40 [Event] Saved 3300 chunks... 31.7.2026 15:16:40 [Event] Saved 3600 chunks... 31.7.2026 15:16:40 [Event] Saved 3900 chunks... 31.7.2026 15:16:40 [Event] Saved 4200 chunks... 31.7.2026 15:16:40 [Event] Saved 4500 chunks... 31.7.2026 15:16:40 [Event] Offthread save of 4752 chunks done. 31.7.2026 15:16:40 [Notification] Offthread save of 0 generating chunks done. 31.7.2026 15:16:41 [Event] Offthread save of 480 map chunks done. 31.7.2026 15:16:41 [Event] Offthread save of savegame done. 31.7.2026 15:17:36 [Warning] Exception at client 1. Disconnecting client. 31.7.2026 15:17:36 [Notification] Client 1 disconnected: An action you (or your client) did caused an unhandled exception 31.7.2026 15:17:36 [Notification] Last player disconnected, compacting large object heap... 31.7.2026 15:17:37 [Event] Player SliceOPizza got removed. Reason: Threw an exception at the server 31.7.2026 15:17:37 [Error] Exception: Missing or errored output result for recipe 'shroomies:recipes/grid/choppedmdmushrooms.json' at Vintagestory.API.Common.RecipeBase.GenerateOutputStack(ItemSlot[] inputSlots, ItemSlot outputSlot) in VintagestoryApi\Common\Crafting\RecipeBase.cs:line 292 at Vintagestory.Common.InventoryCraftingGrid.FoundMatch_Patch1(InventoryCraftingGrid this, GridRecipe recipe) at Vintagestory.Common.InventoryCraftingGrid.FindMatchingRecipe() in VintagestoryLib\Common\GameContent\Inventory\InventoryCraftingGrid.cs:line 190 at Vintagestory.API.Common.InventoryBase.DidModifyItemSlot_Patch1(InventoryBase this, ItemSlot slot, ItemStack extractedStack) at Vintagestory.API.Common.ItemSlot.OnItemSlotModified(ItemStack sinkStack) in VintagestoryApi\Common\Inventory\ItemSlot.cs:line 459 at Vintagestory.API.Common.ItemSlot.TakeOutWhole() in VintagestoryApi\Common\Inventory\ItemSlot.cs:line 178 at Vintagestory.API.Common.ItemSlot.TryPutInto(ItemSlot sinkSlot, ItemStackMoveOperation& op) in VintagestoryApi\Common\Inventory\ItemSlot.cs:line 237 at Vintagestory.Common.PlayerInventoryManager.TryTransferAway(ItemSlot sourceSlot, ItemStackMoveOperation& op, Boolean onlyPlayerInventory, StringBuilder shiftClickDebugText, Boolean slotNotifyEffect) in VintagestoryLib\Common\GameContent\Inventory\PlayerInventoryManager.cs:line 274 at Vintagestory.API.Common.InventoryBase.ActivateSlot(Int32 slotId, ItemSlot sourceSlot, ItemStackMoveOperation& op) in VintagestoryApi\Common\Inventory\InventoryBase.cs:line 455 at Vintagestory.Common.InventoryCraftingGrid.ActivateSlot(Int32 slotId, ItemSlot sourceSlot, ItemStackMoveOperation& op) in VintagestoryLib\Common\GameContent\Inventory\InventoryCraftingGrid.cs:line 130 at Vintagestory.Common.InventoryNetworkUtil.handleActivateInventorySlotPacket(IPlayer byPlayer, Packet_Client packet, IWorldPlayerData plrData) in VintagestoryLib\Common\GameContent\Inventory\InventoryNetworkUtil.cs:line 260 at Vintagestory.Server.ServerSystemInventory.HandleActivateInventorySlot(Packet_Client packet, ConnectedClient client) in VintagestoryLib\Server\Systems\Inventory.cs:line 602 at Vintagestory.Server.ServerMain.HandleClientPacket_mainthread(ReceivedClientPacket cpk) in VintagestoryLib\Server\ServerMainNetworking.cs:line 275 at Vintagestory.Server.ServerMain.ProcessMain() in VintagestoryLib\Server\ServerMain.cs:line 965 31.7.2026 15:17:37 [Warning] Server overloaded. A tick took 795ms to complete. 31.7.2026 15:17:37 [Notification] All clients disconnected, pausing game calendar. 31.7.2026 15:17:37 [Event] Client 1 disconnected. 31.7.2026 15:17:37 [Notification] [Portcullis] BackupInventories(Player Leave): 0 tracked BEs 31.7.2026 15:17:49 [Warning] Server overloaded. A tick took 754ms to complete. 31.7.2026 15:17:52 [Warning] Server overloaded. A tick took 785ms to complete. 31.7.2026 15:26:45 [Notification] Server ticking has been suspended 31.7.2026 15:26:45 [Notification] Autosaving game world. Notifying mods, then systems of save... 31.7.2026 15:26:45 [Notification] [Portcullis] BackupInventories(World Save): 0 tracked BEs 31.7.2026 15:26:45 [Notification] Defragmented listener lists 31.7.2026 15:26:45 [Event] Mods and systems notified, now saving everything... 31.7.2026 15:26:45 [Event] It pauses. 31.7.2026 15:26:45 [Event] Will do offthread savegamedata saving... 31.7.2026 15:26:45 [Event] One last gaze... 31.7.2026 15:26:45 [Event] Saved player world data...
Single player isolated log (no crash, 15 second world)
server-main.log
Hope this helps to resolve the issue!
Version: 1.22.5 and 1.22.6
Mods: first crash report has an extensive mod list, but the second one is only Substrate.
Many mods server crash:
31.7.2026 15:07:05 [Notification] Successfully loaded 44 waypoints 31.7.2026 15:07:05 [Notification] Starting server threads 31.7.2026 15:07:05 [Event] Dedicated Server now running on Port 42421 and all ips! 31.7.2026 15:07:05 [Event] Return again. 31.7.2026 15:07:16 [Warning] Server overloaded. A tick took 1186ms to complete. 31.7.2026 15:08:49 [Notification] A Client attempts connecting via TCP on [::ffff:71.237.191.119]:59210, assigning client id 1 31.7.2026 15:08:49 [Notification] Client 1 uid 1dBiIcRRmqbuSx2sC4me3qNu attempting identification. Name: SliceOPizza 31.7.2026 15:08:49 [Notification] Delayed join, need to load one spawn chunk first. 31.7.2026 15:08:49 [Notification] Sending server identification. Server control privilege is False 31.7.2026 15:08:49 [Notification] Placing SliceOPizza at 512926.93115234375 139 511117.2463378906 31.7.2026 15:09:06 [Event] SliceOPizza [::ffff:71.237.191.119]:59210 joins. 31.7.2026 15:09:06 [Notification] A client reconnected, resuming game calendar. 31.7.2026 15:14:02 [Notification] Watersheds time between launch and first chunk generation: 423148ms 31.7.2026 15:16:40 [Notification] Server ticking has been suspended 31.7.2026 15:16:40 [Notification] Autosaving game world. Notifying mods, then systems of save... 31.7.2026 15:16:40 [Notification] [Portcullis] BackupInventories(World Save): 0 tracked BEs 31.7.2026 15:16:40 [Notification] Defragmented listener lists 31.7.2026 15:16:40 [Event] Mods and systems notified, now saving everything... 31.7.2026 15:16:40 [Event] It pauses. 31.7.2026 15:16:40 [Event] Will do offthread savegamedata saving... 31.7.2026 15:16:40 [Event] One last gaze... 31.7.2026 15:16:40 [Event] Saved player world data... 31.7.2026 15:16:40 [Event] Saved map regions... 31.7.2026 15:16:40 [Event] Then all goes quiet... 31.7.2026 15:16:40 [Event] Saved map chunks... 31.7.2026 15:16:40 [Event] The waters recede... 31.7.2026 15:16:40 [Event] World saved! Saved 0 chunks, 0 mapchunks, 17 mapregions. 31.7.2026 15:16:40 [Event] It sighs... 31.7.2026 15:16:40 [Notification] A client reconnected, resuming game calendar. 31.7.2026 15:16:40 [Notification] Server ticking has been resumed 31.7.2026 15:16:40 [Event] Saved 300 chunks... 31.7.2026 15:16:40 [Event] Saved 600 chunks... 31.7.2026 15:16:40 [Event] Saved 900 chunks... 31.7.2026 15:16:40 [Event] Saved 1200 chunks... 31.7.2026 15:16:40 [Event] Saved 1500 chunks... 31.7.2026 15:16:40 [Event] Saved 1800 chunks... 31.7.2026 15:16:40 [Event] Saved 2100 chunks... 31.7.2026 15:16:40 [Event] Saved 2400 chunks... 31.7.2026 15:16:40 [Event] Saved 2700 chunks... 31.7.2026 15:16:40 [Event] Saved 3000 chunks... 31.7.2026 15:16:40 [Event] Saved 3300 chunks... 31.7.2026 15:16:40 [Event] Saved 3600 chunks... 31.7.2026 15:16:40 [Event] Saved 3900 chunks... 31.7.2026 15:16:40 [Event] Saved 4200 chunks... 31.7.2026 15:16:40 [Event] Saved 4500 chunks... 31.7.2026 15:16:40 [Event] Offthread save of 4752 chunks done. 31.7.2026 15:16:40 [Notification] Offthread save of 0 generating chunks done. 31.7.2026 15:16:41 [Event] Offthread save of 480 map chunks done. 31.7.2026 15:16:41 [Event] Offthread save of savegame done. 31.7.2026 15:17:36 [Warning] Exception at client 1. Disconnecting client. 31.7.2026 15:17:36 [Notification] Client 1 disconnected: An action you (or your client) did caused an unhandled exception 31.7.2026 15:17:36 [Notification] Last player disconnected, compacting large object heap... 31.7.2026 15:17:37 [Event] Player SliceOPizza got removed. Reason: Threw an exception at the server 31.7.2026 15:17:37 [Error] Exception: Missing or errored output result for recipe 'shroomies:recipes/grid/choppedmdmushrooms.json' at Vintagestory.API.Common.RecipeBase.GenerateOutputStack(ItemSlot[] inputSlots, ItemSlot outputSlot) in VintagestoryApi\Common\Crafting\RecipeBase.cs:line 292 at Vintagestory.Common.InventoryCraftingGrid.FoundMatch_Patch1(InventoryCraftingGrid this, GridRecipe recipe) at Vintagestory.Common.InventoryCraftingGrid.FindMatchingRecipe() in VintagestoryLib\Common\GameContent\Inventory\InventoryCraftingGrid.cs:line 190 at Vintagestory.API.Common.InventoryBase.DidModifyItemSlot_Patch1(InventoryBase this, ItemSlot slot, ItemStack extractedStack) at Vintagestory.API.Common.ItemSlot.OnItemSlotModified(ItemStack sinkStack) in VintagestoryApi\Common\Inventory\ItemSlot.cs:line 459 at Vintagestory.API.Common.ItemSlot.TakeOutWhole() in VintagestoryApi\Common\Inventory\ItemSlot.cs:line 178 at Vintagestory.API.Common.ItemSlot.TryPutInto(ItemSlot sinkSlot, ItemStackMoveOperation& op) in VintagestoryApi\Common\Inventory\ItemSlot.cs:line 237 at Vintagestory.Common.PlayerInventoryManager.TryTransferAway(ItemSlot sourceSlot, ItemStackMoveOperation& op, Boolean onlyPlayerInventory, StringBuilder shiftClickDebugText, Boolean slotNotifyEffect) in VintagestoryLib\Common\GameContent\Inventory\PlayerInventoryManager.cs:line 274 at Vintagestory.API.Common.InventoryBase.ActivateSlot(Int32 slotId, ItemSlot sourceSlot, ItemStackMoveOperation& op) in VintagestoryApi\Common\Inventory\InventoryBase.cs:line 455 at Vintagestory.Common.InventoryCraftingGrid.ActivateSlot(Int32 slotId, ItemSlot sourceSlot, ItemStackMoveOperation& op) in VintagestoryLib\Common\GameContent\Inventory\InventoryCraftingGrid.cs:line 130 at Vintagestory.Common.InventoryNetworkUtil.handleActivateInventorySlotPacket(IPlayer byPlayer, Packet_Client packet, IWorldPlayerData plrData) in VintagestoryLib\Common\GameContent\Inventory\InventoryNetworkUtil.cs:line 260 at Vintagestory.Server.ServerSystemInventory.HandleActivateInventorySlot(Packet_Client packet, ConnectedClient client) in VintagestoryLib\Server\Systems\Inventory.cs:line 602 at Vintagestory.Server.ServerMain.HandleClientPacket_mainthread(ReceivedClientPacket cpk) in VintagestoryLib\Server\ServerMainNetworking.cs:line 275 at Vintagestory.Server.ServerMain.ProcessMain() in VintagestoryLib\Server\ServerMain.cs:line 965 31.7.2026 15:17:37 [Warning] Server overloaded. A tick took 795ms to complete. 31.7.2026 15:17:37 [Notification] All clients disconnected, pausing game calendar. 31.7.2026 15:17:37 [Event] Client 1 disconnected. 31.7.2026 15:17:37 [Notification] [Portcullis] BackupInventories(Player Leave): 0 tracked BEs 31.7.2026 15:17:49 [Warning] Server overloaded. A tick took 754ms to complete. 31.7.2026 15:17:52 [Warning] Server overloaded. A tick took 785ms to complete. 31.7.2026 15:26:45 [Notification] Server ticking has been suspended 31.7.2026 15:26:45 [Notification] Autosaving game world. Notifying mods, then systems of save... 31.7.2026 15:26:45 [Notification] [Portcullis] BackupInventories(World Save): 0 tracked BEs 31.7.2026 15:26:45 [Notification] Defragmented listener lists 31.7.2026 15:26:45 [Event] Mods and systems notified, now saving everything... 31.7.2026 15:26:45 [Event] It pauses. 31.7.2026 15:26:45 [Event] Will do offthread savegamedata saving... 31.7.2026 15:26:45 [Event] One last gaze... 31.7.2026 15:26:45 [Event] Saved player world data...Single player isolated log (no crash, 15 second world)
server-main.log
Hope this helps to resolve the issue!