0. ALWAYS PROVIDE INFORMATION ABOUT MODLOADER (Fabric / Forge) AND MOD VERSION (For Example 1.19.2-8.2.10)
   hi my server is working on 1.16.5-0.15.13 fabric
   and the traveler's backpack mod version [1.16.5-5.4.38] fabric

1. Describe the bug
   when I start the server It crashes for some reason I am not sure why I tried reading the log but I couldn't understand,
   I hope any of the devs here can help me solve this problem.

here is the log if ya'll want to read it

log :

2. Write steps to reproduce the bug
   I tried everything I could think of but I couldn't do anything at the end.
   sorry but I tried my best.

3. What is expected behaviour
   I would love for someone help I want this mod to work so I and my friends could play together I really enjoyed this mod and I would prefer adding it to my friend's server

4. Screenshots (If applicable)
   [12:06:29] [main/INFO]: Loading Minecraft 1.16.5 with Fabric Loader 0.15.3
   [12:06:30] [main/INFO]: Loading 60 mods:

   • cardinal-components 2.8.3
     |-- cardinal-components-base 2.8.3
     |-- cardinal-components-block 2.8.3
     |-- cardinal-components-chunk 2.8.3
     |-- cardinal-components-entity 2.8.3
     |-- cardinal-components-item 2.8.3
     |-- cardinal-components-level 2.8.3
     |-- cardinal-components-scoreboard 2.8.3
     |-- cardinal-components-util 2.8.3
     -- cardinal-components-world 2.8.3
   • cloth-api 1.6.59
     |-- cloth-armor-api-v1 1.6.59
     |-- cloth-client-events-v0 1.6.59
     |-- cloth-common-events-v1 1.6.59
     |-- cloth-datagen-api-v1 1.6.59
     |-- cloth-durability-bar-api-v1 1.6.59
     |-- cloth-dynamic-registry-api-v1 1.6.59
     |-- cloth-scissors-api-v1 1.6.59
     -- cloth-utils-v1 1.6.59
   • cloth-config2 4.17.101
     -- cloth-basic-math 0.6.1
   • fabric 0.42.0+1.16
     |-- fabric-api-base 0.4.0+3cc0f0907d
     |-- fabric-api-lookup-api-v1 1.3.1+3cc0f0907d
     |-- fabric-biome-api-v1 3.1.13+3cc0f0907d
     |-- fabric-blockrenderlayer-v1 1.1.6+3cc0f0907d
     |-- fabric-command-api-v1 1.1.3+3cc0f0907d
     |-- fabric-commands-v0 0.2.3+3cc0f0907d
     |-- fabric-containers-v0 0.1.12+3cc0f0907d
     |-- fabric-content-registries-v0 0.2.5+3cc0f0907d
     |-- fabric-crash-report-info-v1 0.1.4+3cc0f0907d
     |-- fabric-dimensions-v1 2.0.8+3cc0f0907d
     |-- fabric-entity-events-v1 1.2.4+3cc0f0907d
     |-- fabric-events-interaction-v0 0.4.5+3cc0f0907d
     |-- fabric-events-lifecycle-v0 0.2.2+3cc0f0907d
     |-- fabric-game-rule-api-v1 1.0.7+3cc0f0907d
     |-- fabric-item-api-v1 1.2.2+3cc0f0907d
     |-- fabric-item-groups-v0 0.3.1+3cc0f0907d
     |-- fabric-key-binding-api-v1 1.0.5+3cc0f0907d
     |-- fabric-keybindings-v0 0.2.2+3cc0f0907d
     |-- fabric-lifecycle-events-v1 1.2.2+3cc0f0907d
     |-- fabric-loot-tables-v1 1.0.3+3cc0f0907d
     |-- fabric-mining-levels-v0 0.1.4+3cc0f0907d
     |-- fabric-models-v0 0.3.1+3cc0f0907d
     |-- fabric-networking-api-v1 1.0.5+3cc0f0907d
     |-- fabric-networking-blockentity-v0 0.2.9+3cc0f0907d
     |-- fabric-networking-v0 0.3.3+3cc0f0907d
     |-- fabric-object-builder-api-v1 1.9.6+3cc0f0907d
     |-- fabric-object-builders-v0 0.7.3+3cc0f0907d
     |-- fabric-particles-v1 0.2.5+3cc0f0907d
     |-- fabric-registry-sync-v0 0.7.6+3cc0f0907d
     |-- fabric-renderer-api-v1 0.4.5+3cc0f0907d
     |-- fabric-renderer-indigo 0.4.5+3cc0f0907d
     |-- fabric-renderer-registries-v1 2.3.1+3cc0f0907d
     |-- fabric-rendering-data-attachment-v1 0.1.6+3cc0f0907d
     |-- fabric-rendering-fluids-v1 0.1.15+3cc0f0907d
     |-- fabric-rendering-v0 1.1.3+3cc0f0907d
     |-- fabric-rendering-v1 1.6.1+3cc0f0907d
     |-- fabric-resource-loader-v0 0.4.8+3cc0f0907d
     |-- fabric-screen-api-v1 1.0.1+3cc0f0907d
     |-- fabric-screen-handler-api-v1 1.1.6+3cc0f0907d
     |-- fabric-structure-api-v1 1.1.12+3cc0f0907d
     |-- fabric-tag-extensions-v0 1.1.2+3cc0f0907d
     |-- fabric-textures-v0 1.0.7+3cc0f0907d
     |-- fabric-tool-attribute-api-v1 1.2.8+3cc0f0907d
     -- fabric-transfer-api-v1 1.5.0+3cc0f0907d
   • fabricloader 0.15.3
     -- mixinextras 0.3.2
   • java 8
   • minecraft 1.16.5
   • travelersbackpack 1.16.5-5.4.38
     -- reach-entity-attributes 1.1.1
     [12:06:30] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.8.5 Source=file:/server/libraries/net/fabricmc/sponge-mixin/0.12.5+mixin.0.8.5/sponge-mixin-0.12.5+mixin.0.8.5.jar Service=Knot/Fabric Env=SERVER
     [12:06:31] [main/INFO]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.3.2).
     [12:06:37] [main/INFO]: Registered the FluidEffect with Unique ID of minecraft:water for minecraft:water 81000 with the ID 0
     [12:06:37] [main/INFO]: Registered the FluidEffect with Unique ID of minecraft:lava for minecraft:lava 81000 with the ID 1
     [12:06:37] [main/INFO]: Registered the FluidEffect with Unique ID of travelersbackpack:potion for travelersbackpack:potion_still 27000 with the ID 2
     [12:06:37] [main/INFO]: Registered the FluidEffect with Unique ID of travelersbackpack:milk for travelersbackpack:milk_still 81000 with the ID 3
     [12:06:38] [main/INFO]: Starting datagen in: /src/generated/resources
     [12:06:38] [main/FATAL]: Failed to start the minecraft server
     java.lang.RuntimeException: Could not execute entrypoint stage 'main' due to errors, provided by 'travelersbackpack'!
     at net.fabricmc.loader.impl.FabricLoaderImpl.lambda$invokeEntrypoints$2(FabricLoaderImpl.java:388) ~[fabric-loader-0.15.3.jar:?]
     at net.fabricmc.loader.impl.util.ExceptionUtil.gatherExceptions(ExceptionUtil.java:33) ~[fabric-loader-0.15.3.jar:?]
     at net.fabricmc.loader.impl.FabricLoaderImpl.invokeEntrypoints(FabricLoaderImpl.java:386) ~[fabric-loader-0.15.3.jar:?]
     at net.fabricmc.loader.impl.game.minecraft.Hooks.startServer(Hooks.java:63) ~[fabric-loader-0.15.3.jar:?]
     at net.minecraft.server.Main.main(Main.java:92) [server-intermediary.jar:?]
     at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:470) [fabric-loader-0.15.3.jar:?]
     at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) [fabric-loader-0.15.3.jar:?]
     at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) [fabric-loader-0.15.3.jar:?]
     at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) [fabric-loader-0.15.3.jar:?]
     Caused by: java.lang.RuntimeException: java.nio.file.AccessDeniedException: /src
     at me.shedaniel.cloth.impl.datagen.DataGeneratorHandlerImpl.run(DataGeneratorHandlerImpl.java:87) ~[cloth-datagen-api-v1-1.6.59-143cf2b0f38ba42.jar:?]
     at com.tiviacz.travelersbackpack.datagen.ModRecipesProvider.generate(ModRecipesProvider.java:37) ~[travelers-backpack-1.16.5-5.4.38.jar:?]
     at com.tiviacz.travelersbackpack.TravelersBackpack.onInitialize(TravelersBackpack.java:67) ~[travelers-backpack-1.16.5-5.4.38.jar:?]
     at net.fabricmc.loader.impl.FabricLoaderImpl.invokeEntrypoints(FabricLoaderImpl.java:384) ~[fabric-loader-0.15.3.jar:?]
     ... 6 more
     Caused by: java.nio.file.AccessDeniedException: /src
     at sun.nio.fs.UnixException.translateToIOException(UnixException.java:84) ~[?:1.8.0_392]
     at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:1.8.0_392]
     at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:1.8.0_392]
     at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:384) ~[?:1.8.0_392]
     at java.nio.file.Files.createDirectory(Files.java:674) ~[?:1.8.0_392]
     at java.nio.file.Files.createAndCheckIsDirectory(Files.java:781) ~[?:1.8.0_392]
     at java.nio.file.Files.createDirectories(Files.java:767) ~[?:1.8.0_392]
     at net.minecraft.class_2408.(class_2408.java:37) ~[server-intermediary.jar:?]
     at net.minecraft.class_2403.method_10315(class_2403.java:40) ~[server-intermediary.jar:?]
     at me.shedaniel.cloth.impl.datagen.DataGeneratorHandlerImpl.run(DataGeneratorHandlerImpl.java:85) ~[cloth-datagen-api-v1-1.6.59-143cf2b0f38ba42.jar:?]
     at com.tiviacz.travelersbackpack.datagen.ModRecipesProvider.generate(ModRecipesProvider.java:37) ~[travelers-backpack-1.16.5-5.4.38.jar:?]
     at com.tiviacz.travelersbackpack.TravelersBackpack.onInitialize(TravelersBackpack.java:67) ~[travelers-backpack-1.16.5-5.4.38.jar:?]
     at net.fabricmc.loader.impl.FabricLoaderImpl.invokeEntrypoints(FabricLoaderImpl.java:384) ~[fabric-loader-0.15.3.jar:?]
     ... 6 more

re-install your server, delete configs etc.